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[173.164.112.133]) by smtp.gmail.com with ESMTPSA id d22-v6sm36930346pfk.126.2018.05.31.17.43.46 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 31 May 2018 17:43:54 -0700 (PDT) From: Kees Cook To: Matthew Wilcox Cc: Kees Cook , Linus Torvalds , Rasmus Villemoes , Matthew Wilcox , LKML , Linux-MM , Kernel Hardening Subject: [PATCH v3 15/16] treewide: Use array_size() for devm_*alloc()-like Date: Thu, 31 May 2018 17:42:32 -0700 Message-Id: <20180601004233.37822-16-keescook@chromium.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180601004233.37822-1-keescook@chromium.org> References: <20180601004233.37822-1-keescook@chromium.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org As done for kmalloc()-family, this handles 2 and 3 factor products in devm_*alloc(), sock_*alloc(), and f2fs_*alloc(), with the following Coccinelle script: // 2-factor product with sizeof(variable) @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP, THING; identifier COUNT; @@ - alloc(HANDLE, sizeof(THING) * COUNT, GFP) + alloc(HANDLE, array_size(COUNT, sizeof(THING)), GFP) // 2-factor product with sizeof(type) @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP; identifier COUNT; type TYPE; @@ - alloc(HANDLE, sizeof(TYPE) * COUNT, GFP) + alloc(HANDLE, array_size(COUNT, sizeof(TYPE)), GFP) // 2-factor product with sizeof(variable) and constant @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP, THING; constant COUNT; @@ - alloc(HANDLE, sizeof(THING) * COUNT, GFP) + alloc(HANDLE, array_size(COUNT, sizeof(THING)), GFP) // 2-factor product with sizeof(type) and constant @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP; constant COUNT; type TYPE; @@ - alloc(HANDLE, sizeof(TYPE) * COUNT, GFP) + alloc(HANDLE, array_size(COUNT, sizeof(TYPE)), GFP) // 3-factor product with 1 sizeof(variable) @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP, THING; identifier STRIDE, COUNT; @@ - alloc(HANDLE, sizeof(THING) * COUNT * STRIDE, GFP) + alloc(HANDLE, array3_size(COUNT, STRIDE, sizeof(THING)), GFP) // 3-factor product with 2 sizeof(variable) @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP, THING1, THING2; identifier COUNT; @@ - alloc(HANDLE, sizeof(THING1) * sizeof(THING2) * COUNT, GFP) + alloc(HANDLE, array3_size(COUNT, sizeof(THING1), sizeof(THING2)), GFP) // 3-factor product with 1 sizeof(type) @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP; identifier STRIDE, COUNT; type TYPE; @@ - alloc(HANDLE, sizeof(TYPE) * COUNT * STRIDE, GFP) + alloc(HANDLE, array3_size(COUNT, STRIDE, sizeof(TYPE)), GFP) // 3-factor product with 2 sizeof(type) @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP; identifier COUNT; type TYPE1, TYPE2; @@ - alloc(HANDLE, sizeof(TYPE1) * sizeof(TYPE2) * COUNT, GFP) + alloc(HANDLE, array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)), GFP) // 3-factor product with mixed sizeof() type/variable @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP, THING; identifier COUNT; type TYPE; @@ - alloc(HANDLE, sizeof(TYPE) * sizeof(THING) * COUNT, GFP) + alloc(HANDLE, array3_size(COUNT, sizeof(TYPE), sizeof(THING)), GFP) // 2-factor product, only identifiers @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP; identifier SIZE, COUNT; @@ - alloc(HANDLE, SIZE * COUNT, GFP) + alloc(HANDLE, array_size(COUNT, SIZE), GFP) // 3-factor product, only identifiers @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP; identifier STRIDE, SIZE, COUNT; @@ - alloc(HANDLE, COUNT * STRIDE * SIZE, GFP) + alloc(HANDLE, array3_size(COUNT, STRIDE, SIZE), GFP) Signed-off-by: Kees Cook --- drivers/ata/sata_mv.c | 4 +-- drivers/bus/fsl-mc/fsl-mc-allocator.c | 5 ++-- drivers/clk/bcm/clk-bcm2835.c | 6 ++-- drivers/clk/ti/adpll.c | 8 +++--- drivers/cpufreq/imx6q-cpufreq.c | 4 ++- drivers/devfreq/event/exynos-ppmu.c | 2 +- drivers/dma/mv_xor_v2.c | 5 ++-- drivers/firmware/arm_scpi.c | 3 +- drivers/gpio/gpio-davinci.c | 2 +- drivers/gpio/gpio-thunderx.c | 6 ++-- drivers/gpu/drm/exynos/exynos_hdmi.c | 2 +- drivers/hid/hid-sensor-hub.c | 4 +-- drivers/hid/wacom_sys.c | 6 ++-- drivers/hwmon/aspeed-pwm-tacho.c | 3 +- drivers/hwmon/nct6683.c | 2 +- drivers/hwmon/nct6775.c | 4 +-- drivers/hwmon/pmbus/ucd9000.c | 2 +- drivers/hwmon/pwm-fan.c | 3 +- drivers/i2c/busses/i2c-qup.c | 4 +-- drivers/iio/multiplexer/iio-mux.c | 4 +-- drivers/input/keyboard/samsung-keypad.c | 3 +- drivers/input/matrix-keymap.c | 2 +- drivers/input/rmi4/rmi_f54.c | 2 +- drivers/iommu/arm-smmu.c | 3 +- drivers/iommu/rockchip-iommu.c | 3 +- drivers/leds/leds-lp55xx-common.c | 3 +- drivers/leds/leds-netxbig.c | 14 ++++++---- drivers/leds/leds-ns2.c | 4 +-- drivers/leds/leds-tca6507.c | 3 +- drivers/mailbox/mailbox-sti.c | 3 +- drivers/mailbox/omap-mailbox.c | 9 ++++-- drivers/mailbox/ti-msgmgr.c | 6 ++-- drivers/media/i2c/s5k5baf.c | 2 +- drivers/media/platform/davinci/vpif_capture.c | 8 +++--- drivers/media/platform/vsp1/vsp1_entity.c | 3 +- drivers/media/platform/xilinx/xilinx-vipp.c | 3 +- drivers/memory/of_memory.c | 5 ++-- drivers/mfd/ab8500-debugfs.c | 9 ++++-- drivers/mfd/twl-core.c | 4 +-- drivers/misc/sram.c | 4 +-- drivers/mtd/devices/docg3.c | 3 +- drivers/mtd/nand/raw/qcom_nandc.c | 4 +-- drivers/net/ethernet/amazon/ena/ena_ethtool.c | 4 +-- drivers/net/ethernet/ethoc.c | 4 ++- .../net/ethernet/freescale/dpaa/dpaa_eth.c | 2 +- drivers/net/ethernet/ni/nixge.c | 3 +- drivers/net/wireless/mediatek/mt76/mac80211.c | 3 +- drivers/nfc/fdp/i2c.c | 2 +- drivers/pci/dwc/pci-dra7xx.c | 6 ++-- drivers/pinctrl/berlin/berlin.c | 2 +- drivers/pinctrl/freescale/pinctrl-imx1-core.c | 6 ++-- drivers/pinctrl/mvebu/pinctrl-armada-xp.c | 3 +- drivers/pinctrl/mvebu/pinctrl-mvebu.c | 5 ++-- drivers/pinctrl/pinctrl-at91.c | 8 ++++-- drivers/pinctrl/pinctrl-axp209.c | 5 ++-- drivers/pinctrl/pinctrl-digicolor.c | 5 ++-- drivers/pinctrl/pinctrl-lpc18xx.c | 5 ++-- drivers/pinctrl/pinctrl-ocelot.c | 6 ++-- drivers/pinctrl/pinctrl-rockchip.c | 5 ++-- drivers/pinctrl/pinctrl-single.c | 28 +++++++++++-------- drivers/pinctrl/pinctrl-st.c | 9 ++++-- drivers/pinctrl/samsung/pinctrl-exynos5440.c | 16 +++++++---- drivers/pinctrl/samsung/pinctrl-samsung.c | 8 ++++-- drivers/pinctrl/sh-pfc/core.c | 9 ++++-- drivers/pinctrl/sh-pfc/gpio.c | 3 +- drivers/pinctrl/ti/pinctrl-ti-iodelay.c | 9 ++++-- drivers/pinctrl/zte/pinctrl-zx.c | 3 +- drivers/platform/mellanox/mlxreg-hotplug.c | 4 +-- drivers/pwm/pwm-lp3943.c | 3 +- drivers/regulator/act8865-regulator.c | 4 +-- drivers/regulator/as3711-regulator.c | 5 ++-- drivers/regulator/bcm590xx-regulator.c | 5 ++-- drivers/regulator/da9063-regulator.c | 4 +-- drivers/regulator/max1586.c | 5 ++-- drivers/regulator/max8660.c | 5 ++-- drivers/regulator/pbias-regulator.c | 5 ++-- drivers/regulator/rc5t583-regulator.c | 5 ++-- drivers/regulator/s2mps11.c | 4 +-- drivers/regulator/ti-abb-regulator.c | 6 ++-- drivers/regulator/tps65090-regulator.c | 10 ++++--- drivers/regulator/tps65217-regulator.c | 5 ++-- drivers/regulator/tps65218-regulator.c | 5 ++-- drivers/regulator/tps80031-regulator.c | 3 +- drivers/reset/reset-ti-syscon.c | 4 ++- drivers/scsi/isci/init.c | 4 +-- drivers/scsi/ufs/ufshcd-pltfrm.c | 4 +-- drivers/soc/bcm/raspberrypi-power.c | 5 ++-- drivers/soc/mediatek/mtk-scpsys.c | 6 ++-- drivers/soc/ti/knav_qmss_acc.c | 6 ++-- drivers/spi/spi-pl022.c | 3 +- drivers/staging/greybus/audio_topology.c | 3 +- drivers/staging/media/imx/imx-media-dev.c | 3 +- drivers/thermal/thermal-generic-adc.c | 5 ++-- drivers/video/backlight/lp855x_bl.c | 3 +- drivers/video/fbdev/au1100fb.c | 3 +- drivers/video/fbdev/mxsfb.c | 3 +- drivers/video/fbdev/omap2/omapfb/vrfb.c | 4 +-- fs/f2fs/checkpoint.c | 3 +- fs/f2fs/segment.c | 3 +- fs/f2fs/super.c | 14 ++++++---- sound/soc/au1x/dbdma2.c | 2 +- sound/soc/codecs/hdmi-codec.c | 3 +- sound/soc/codecs/rt5645.c | 3 +- sound/soc/generic/audio-graph-card.c | 6 ++-- sound/soc/generic/audio-graph-scu-card.c | 6 ++-- sound/soc/generic/simple-card.c | 9 ++++-- sound/soc/generic/simple-scu-card.c | 6 ++-- sound/soc/intel/skylake/skl-topology.c | 10 ++++--- sound/soc/pxa/mmp-sspa.c | 4 +-- sound/soc/rockchip/rk3399_gru_sound.c | 2 +- sound/soc/sh/rcar/cmd.c | 2 +- sound/soc/sh/rcar/core.c | 4 +-- sound/soc/sh/rcar/ctu.c | 2 +- sound/soc/sh/rcar/dvc.c | 3 +- sound/soc/sh/rcar/mix.c | 3 +- sound/soc/sh/rcar/src.c | 3 +- sound/soc/sh/rcar/ssi.c | 3 +- sound/soc/sh/rcar/ssiu.c | 3 +- sound/soc/soc-core.c | 5 ++-- 119 files changed, 347 insertions(+), 224 deletions(-) diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 42d4589b43d4..37b87985659c 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -4115,12 +4115,12 @@ static int mv_platform_probe(struct platform_device *pdev) if (!host || !hpriv) return -ENOMEM; hpriv->port_clks = devm_kzalloc(&pdev->dev, - sizeof(struct clk *) * n_ports, + array_size(n_ports, sizeof(struct clk *)), GFP_KERNEL); if (!hpriv->port_clks) return -ENOMEM; hpriv->port_phys = devm_kzalloc(&pdev->dev, - sizeof(struct phy *) * n_ports, + array_size(n_ports, sizeof(struct phy *)), GFP_KERNEL); if (!hpriv->port_phys) return -ENOMEM; diff --git a/drivers/bus/fsl-mc/fsl-mc-allocator.c b/drivers/bus/fsl-mc/fsl-mc-allocator.c index fb1442b08962..1f569d3ff200 100644 --- a/drivers/bus/fsl-mc/fsl-mc-allocator.c +++ b/drivers/bus/fsl-mc/fsl-mc-allocator.c @@ -355,7 +355,7 @@ int fsl_mc_populate_irq_pool(struct fsl_mc_bus *mc_bus, return error; irq_resources = devm_kzalloc(&mc_bus_dev->dev, - sizeof(*irq_resources) * irq_count, + array_size(irq_count, sizeof(*irq_resources)), GFP_KERNEL); if (!irq_resources) { error = -ENOMEM; @@ -455,7 +455,8 @@ int __must_check fsl_mc_allocate_irqs(struct fsl_mc_device *mc_dev) return -ENOSPC; } - irqs = devm_kzalloc(&mc_dev->dev, irq_count * sizeof(irqs[0]), + irqs = devm_kzalloc(&mc_dev->dev, + array_size(irq_count, sizeof(irqs[0])), GFP_KERNEL); if (!irqs) return -ENOMEM; diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index 6d4e69edfb36..44ceef9e6fde 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -738,7 +738,8 @@ static int bcm2835_pll_debug_init(struct clk_hw *hw, const struct bcm2835_pll_data *data = pll->data; struct debugfs_reg32 *regs; - regs = devm_kzalloc(cprman->dev, 7 * sizeof(*regs), GFP_KERNEL); + regs = devm_kzalloc(cprman->dev, array_size(7, sizeof(*regs)), + GFP_KERNEL); if (!regs) return -ENOMEM; @@ -869,7 +870,8 @@ static int bcm2835_pll_divider_debug_init(struct clk_hw *hw, const struct bcm2835_pll_divider_data *data = divider->data; struct debugfs_reg32 *regs; - regs = devm_kzalloc(cprman->dev, 7 * sizeof(*regs), GFP_KERNEL); + regs = devm_kzalloc(cprman->dev, array_size(7, sizeof(*regs)), + GFP_KERNEL); if (!regs) return -ENOMEM; diff --git a/drivers/clk/ti/adpll.c b/drivers/clk/ti/adpll.c index d6036c788fab..86dc421b6356 100644 --- a/drivers/clk/ti/adpll.c +++ b/drivers/clk/ti/adpll.c @@ -501,8 +501,8 @@ static int ti_adpll_init_dco(struct ti_adpll_data *d) const char *postfix; int width, err; - d->outputs.clks = devm_kzalloc(d->dev, sizeof(struct clk *) * - MAX_ADPLL_OUTPUTS, + d->outputs.clks = devm_kzalloc(d->dev, + array_size(MAX_ADPLL_OUTPUTS, sizeof(struct clk *)), GFP_KERNEL); if (!d->outputs.clks) return -ENOMEM; @@ -915,8 +915,8 @@ static int ti_adpll_probe(struct platform_device *pdev) if (err) return err; - d->clocks = devm_kzalloc(d->dev, sizeof(struct ti_adpll_clock) * - TI_ADPLL_NR_CLOCKS, + d->clocks = devm_kzalloc(d->dev, + array_size(TI_ADPLL_NR_CLOCKS, sizeof(struct ti_adpll_clock)), GFP_KERNEL); if (!d->clocks) return -ENOMEM; diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 83cf631fc9bc..4f5dcfd86932 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -377,7 +377,9 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev) } /* Make imx6_soc_volt array's size same as arm opp number */ - imx6_soc_volt = devm_kzalloc(cpu_dev, sizeof(*imx6_soc_volt) * num, GFP_KERNEL); + imx6_soc_volt = devm_kzalloc(cpu_dev, + array_size(num, sizeof(*imx6_soc_volt)), + GFP_KERNEL); if (imx6_soc_volt == NULL) { ret = -ENOMEM; goto free_freq_table; diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c index d96e3dc71cf8..a90217e2448e 100644 --- a/drivers/devfreq/event/exynos-ppmu.c +++ b/drivers/devfreq/event/exynos-ppmu.c @@ -518,7 +518,7 @@ static int of_get_devfreq_events(struct device_node *np, event_ops = exynos_bus_get_ops(np); count = of_get_child_count(events_np); - desc = devm_kzalloc(dev, sizeof(*desc) * count, GFP_KERNEL); + desc = devm_kzalloc(dev, array_size(count, sizeof(*desc)), GFP_KERNEL); if (!desc) return -ENOMEM; info->num_events = count; diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index 3548caa9e933..651f07546d50 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -809,8 +809,9 @@ static int mv_xor_v2_probe(struct platform_device *pdev) } /* alloc memory for the SW descriptors */ - xor_dev->sw_desq = devm_kzalloc(&pdev->dev, sizeof(*sw_desc) * - MV_XOR_V2_DESC_NUM, GFP_KERNEL); + xor_dev->sw_desq = devm_kzalloc(&pdev->dev, + array_size(MV_XOR_V2_DESC_NUM, sizeof(*sw_desc)), + GFP_KERNEL); if (!xor_dev->sw_desq) { ret = -ENOMEM; goto free_hw_desq; diff --git a/drivers/firmware/arm_scpi.c b/drivers/firmware/arm_scpi.c index 6d7a6c0a5e07..ac264d848ac5 100644 --- a/drivers/firmware/arm_scpi.c +++ b/drivers/firmware/arm_scpi.c @@ -890,7 +890,8 @@ static int scpi_alloc_xfer_list(struct device *dev, struct scpi_chan *ch) int i; struct scpi_xfer *xfers; - xfers = devm_kzalloc(dev, MAX_SCPI_XFERS * sizeof(*xfers), GFP_KERNEL); + xfers = devm_kzalloc(dev, array_size(MAX_SCPI_XFERS, sizeof(*xfers)), + GFP_KERNEL); if (!xfers) return -ENOMEM; diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index 987126c4c6f6..7527eb87105a 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -199,7 +199,7 @@ static int davinci_gpio_probe(struct platform_device *pdev) nbank = DIV_ROUND_UP(ngpio, 32); chips = devm_kzalloc(dev, - nbank * sizeof(struct davinci_gpio_controller), + array_size(nbank, sizeof(struct davinci_gpio_controller)), GFP_KERNEL); if (!chips) return -ENOMEM; diff --git a/drivers/gpio/gpio-thunderx.c b/drivers/gpio/gpio-thunderx.c index d16e9d4a129b..f0a53fc27653 100644 --- a/drivers/gpio/gpio-thunderx.c +++ b/drivers/gpio/gpio-thunderx.c @@ -505,15 +505,15 @@ static int thunderx_gpio_probe(struct pci_dev *pdev, } txgpio->msix_entries = devm_kzalloc(dev, - sizeof(struct msix_entry) * ngpio, - GFP_KERNEL); + array_size(ngpio, sizeof(struct msix_entry)), + GFP_KERNEL); if (!txgpio->msix_entries) { err = -ENOMEM; goto out; } txgpio->line_entries = devm_kzalloc(dev, - sizeof(struct thunderx_line) * ngpio, + array_size(ngpio, sizeof(struct thunderx_line)), GFP_KERNEL); if (!txgpio->line_entries) { err = -ENOMEM; diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index abd84cbcf1c2..68ec5ae80380 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1694,7 +1694,7 @@ static int hdmi_clk_init(struct hdmi_context *hdata) if (!count) return 0; - clks = devm_kzalloc(dev, sizeof(*clks) * count, GFP_KERNEL); + clks = devm_kzalloc(dev, array_size(count, sizeof(*clks)), GFP_KERNEL); if (!clks) return -ENOMEM; diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index 25363fc571bc..0377c6536f25 100644 --- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c @@ -624,8 +624,8 @@ static int sensor_hub_probe(struct hid_device *hdev, ret = -EINVAL; goto err_stop_hw; } - sd->hid_sensor_hub_client_devs = devm_kzalloc(&hdev->dev, dev_cnt * - sizeof(struct mfd_cell), + sd->hid_sensor_hub_client_devs = devm_kzalloc(&hdev->dev, + array_size(dev_cnt, sizeof(struct mfd_cell)), GFP_KERNEL); if (sd->hid_sensor_hub_client_devs == NULL) { hid_err(hdev, "Failed to allocate memory for mfd cells\n"); diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index b54ef1ffcbec..e8ce80a8d64f 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -1361,7 +1361,8 @@ static int wacom_led_groups_alloc_and_register_one(struct device *dev, if (!devres_open_group(dev, &wacom->led.groups[group_id], GFP_KERNEL)) return -ENOMEM; - leds = devm_kzalloc(dev, sizeof(struct wacom_led) * count, GFP_KERNEL); + leds = devm_kzalloc(dev, array_size(count, sizeof(struct wacom_led)), + GFP_KERNEL); if (!leds) { error = -ENOMEM; goto err; @@ -1461,7 +1462,8 @@ static int wacom_led_groups_allocate(struct wacom *wacom, int count) struct wacom_group_leds *groups; int error; - groups = devm_kzalloc(dev, sizeof(struct wacom_group_leds) * count, + groups = devm_kzalloc(dev, + array_size(count, sizeof(struct wacom_group_leds)), GFP_KERNEL); if (!groups) return -ENOMEM; diff --git a/drivers/hwmon/aspeed-pwm-tacho.c b/drivers/hwmon/aspeed-pwm-tacho.c index 693a3d53cab5..c931b906d078 100644 --- a/drivers/hwmon/aspeed-pwm-tacho.c +++ b/drivers/hwmon/aspeed-pwm-tacho.c @@ -894,7 +894,8 @@ static int aspeed_create_fan(struct device *dev, count = of_property_count_u8_elems(child, "aspeed,fan-tach-ch"); if (count < 1) return -EINVAL; - fan_tach_ch = devm_kzalloc(dev, sizeof(*fan_tach_ch) * count, + fan_tach_ch = devm_kzalloc(dev, + array_size(count, sizeof(*fan_tach_ch)), GFP_KERNEL); if (!fan_tach_ch) return -ENOMEM; diff --git a/drivers/hwmon/nct6683.c b/drivers/hwmon/nct6683.c index b0bc77bf2cd9..e43c944c995b 100644 --- a/drivers/hwmon/nct6683.c +++ b/drivers/hwmon/nct6683.c @@ -431,7 +431,7 @@ nct6683_create_attr_group(struct device *dev, if (attrs == NULL) return ERR_PTR(-ENOMEM); - su = devm_kzalloc(dev, sizeof(*su) * repeat * count, + su = devm_kzalloc(dev, array3_size(repeat, count, sizeof(*su)), GFP_KERNEL); if (su == NULL) return ERR_PTR(-ENOMEM); diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index aebce560bfaf..d421b121a0eb 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -1195,8 +1195,8 @@ nct6775_create_attr_group(struct device *dev, if (attrs == NULL) return ERR_PTR(-ENOMEM); - su = devm_kzalloc(dev, sizeof(*su) * repeat * count, - GFP_KERNEL); + su = devm_kzalloc(dev, array3_size(repeat, count, sizeof(*su)), + GFP_KERNEL); if (su == NULL) return ERR_PTR(-ENOMEM); diff --git a/drivers/hwmon/pmbus/ucd9000.c b/drivers/hwmon/pmbus/ucd9000.c index 70cecb06f93c..2a661fed38d0 100644 --- a/drivers/hwmon/pmbus/ucd9000.c +++ b/drivers/hwmon/pmbus/ucd9000.c @@ -455,7 +455,7 @@ static int ucd9000_init_debugfs(struct i2c_client *client, if (mid->driver_data == ucd9090 || mid->driver_data == ucd90160 || mid->driver_data == ucd90910) { entries = devm_kzalloc(&client->dev, - sizeof(*entries) * UCD9000_GPI_COUNT, + array_size(UCD9000_GPI_COUNT, sizeof(*entries)), GFP_KERNEL); if (!entries) return -ENOMEM; diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c index 70cc0d134f3c..5bd0ec7fcee9 100644 --- a/drivers/hwmon/pwm-fan.c +++ b/drivers/hwmon/pwm-fan.c @@ -180,7 +180,8 @@ static int pwm_fan_of_get_cooling_data(struct device *dev, } num = ret; - ctx->pwm_fan_cooling_levels = devm_kzalloc(dev, num * sizeof(u32), + ctx->pwm_fan_cooling_levels = devm_kzalloc(dev, + array_size(num, sizeof(u32)), GFP_KERNEL); if (!ctx->pwm_fan_cooling_levels) return -ENOMEM; diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c index 904dfec7ab96..e6434197bbff 100644 --- a/drivers/i2c/busses/i2c-qup.c +++ b/drivers/i2c/busses/i2c-qup.c @@ -1692,7 +1692,7 @@ static int qup_i2c_probe(struct platform_device *pdev) qup->max_xfer_sg_len = (MX_BLOCKS << 1); blocks = (MX_DMA_BLOCKS << 1) + 1; qup->btx.sg = devm_kzalloc(&pdev->dev, - sizeof(*qup->btx.sg) * blocks, + array_size(blocks, sizeof(*qup->btx.sg)), GFP_KERNEL); if (!qup->btx.sg) { ret = -ENOMEM; @@ -1701,7 +1701,7 @@ static int qup_i2c_probe(struct platform_device *pdev) sg_init_table(qup->btx.sg, blocks); qup->brx.sg = devm_kzalloc(&pdev->dev, - sizeof(*qup->brx.sg) * blocks, + array_size(blocks, sizeof(*qup->brx.sg)), GFP_KERNEL); if (!qup->brx.sg) { ret = -ENOMEM; diff --git a/drivers/iio/multiplexer/iio-mux.c b/drivers/iio/multiplexer/iio-mux.c index 60621ccd67e4..b476ee17b1b1 100644 --- a/drivers/iio/multiplexer/iio-mux.c +++ b/drivers/iio/multiplexer/iio-mux.c @@ -282,8 +282,8 @@ static int mux_configure_channel(struct device *dev, struct mux *mux, return -ENOMEM; } child->ext_info_cache = devm_kzalloc(dev, - sizeof(*child->ext_info_cache) * - num_ext_info, GFP_KERNEL); + array_size(num_ext_info, sizeof(*child->ext_info_cache)), + GFP_KERNEL); if (!child->ext_info_cache) return -ENOMEM; diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c index 316414465c77..d8a7af370e6d 100644 --- a/drivers/input/keyboard/samsung-keypad.c +++ b/drivers/input/keyboard/samsung-keypad.c @@ -281,7 +281,8 @@ samsung_keypad_parse_dt(struct device *dev) key_count = of_get_child_count(np); keymap_data->keymap_size = key_count; - keymap = devm_kzalloc(dev, sizeof(uint32_t) * key_count, GFP_KERNEL); + keymap = devm_kzalloc(dev, array_size(key_count, sizeof(uint32_t)), + GFP_KERNEL); if (!keymap) { dev_err(dev, "could not allocate memory for keymap\n"); return ERR_PTR(-ENOMEM); diff --git a/drivers/input/matrix-keymap.c b/drivers/input/matrix-keymap.c index 8ccefc15c7a4..a4e1cad251b5 100644 --- a/drivers/input/matrix-keymap.c +++ b/drivers/input/matrix-keymap.c @@ -171,7 +171,7 @@ int matrix_keypad_build_keymap(const struct matrix_keymap_data *keymap_data, if (!keymap) { keymap = devm_kzalloc(input_dev->dev.parent, - max_keys * sizeof(*keymap), + array_size(max_keys, sizeof(*keymap)), GFP_KERNEL); if (!keymap) { dev_err(input_dev->dev.parent, diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c index 5343f2c08f15..e8a59d164019 100644 --- a/drivers/input/rmi4/rmi_f54.c +++ b/drivers/input/rmi4/rmi_f54.c @@ -685,7 +685,7 @@ static int rmi_f54_probe(struct rmi_function *fn) rx = f54->num_rx_electrodes; tx = f54->num_tx_electrodes; f54->report_data = devm_kzalloc(&fn->dev, - sizeof(u16) * tx * rx, + array3_size(tx, rx, sizeof(u16)), GFP_KERNEL); if (f54->report_data == NULL) return -ENOMEM; diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 69e7c60792a8..0d0e7ca608e1 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -2082,7 +2082,8 @@ static int arm_smmu_device_probe(struct platform_device *pdev) return -ENODEV; } - smmu->irqs = devm_kzalloc(dev, sizeof(*smmu->irqs) * num_irqs, + smmu->irqs = devm_kzalloc(dev, + array_size(num_irqs, sizeof(*smmu->irqs)), GFP_KERNEL); if (!smmu->irqs) { dev_err(dev, "failed to allocate %d irqs\n", num_irqs); diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index 0468acfa131f..08feaf49c360 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -1135,7 +1135,8 @@ static int rk_iommu_probe(struct platform_device *pdev) iommu->dev = dev; iommu->num_mmu = 0; - iommu->bases = devm_kzalloc(dev, sizeof(*iommu->bases) * num_res, + iommu->bases = devm_kzalloc(dev, + array_size(num_res, sizeof(*iommu->bases)), GFP_KERNEL); if (!iommu->bases) return -ENOMEM; diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c index 5377f22ff994..152ce2804a60 100644 --- a/drivers/leds/leds-lp55xx-common.c +++ b/drivers/leds/leds-lp55xx-common.c @@ -560,7 +560,8 @@ struct lp55xx_platform_data *lp55xx_of_populate_pdata(struct device *dev, return ERR_PTR(-EINVAL); } - cfg = devm_kzalloc(dev, sizeof(*cfg) * num_channels, GFP_KERNEL); + cfg = devm_kzalloc(dev, array_size(num_channels, sizeof(*cfg)), + GFP_KERNEL); if (!cfg) return ERR_PTR(-ENOMEM); diff --git a/drivers/leds/leds-netxbig.c b/drivers/leds/leds-netxbig.c index f48b1aed9b4e..ad47fac3ed4d 100644 --- a/drivers/leds/leds-netxbig.c +++ b/drivers/leds/leds-netxbig.c @@ -335,7 +335,8 @@ static int gpio_ext_get_of_pdata(struct device *dev, struct device_node *np, return ret; } num_addr = ret; - addr = devm_kzalloc(dev, num_addr * sizeof(*addr), GFP_KERNEL); + addr = devm_kzalloc(dev, array_size(num_addr, sizeof(*addr)), + GFP_KERNEL); if (!addr) return -ENOMEM; @@ -355,7 +356,8 @@ static int gpio_ext_get_of_pdata(struct device *dev, struct device_node *np, return ret; } num_data = ret; - data = devm_kzalloc(dev, num_data * sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(dev, array_size(num_data, sizeof(*data)), + GFP_KERNEL); if (!data) return -ENOMEM; @@ -415,7 +417,8 @@ static int netxbig_leds_get_of_pdata(struct device *dev, if (ret % 3) return -EINVAL; num_timers = ret / 3; - timers = devm_kzalloc(dev, num_timers * sizeof(*timers), + timers = devm_kzalloc(dev, + array_size(num_timers, sizeof(*timers)), GFP_KERNEL); if (!timers) return -ENOMEM; @@ -444,7 +447,8 @@ static int netxbig_leds_get_of_pdata(struct device *dev, return -ENODEV; } - leds = devm_kzalloc(dev, num_leds * sizeof(*leds), GFP_KERNEL); + leds = devm_kzalloc(dev, array_size(num_leds, sizeof(*leds)), + GFP_KERNEL); if (!leds) return -ENOMEM; @@ -471,7 +475,7 @@ static int netxbig_leds_get_of_pdata(struct device *dev, mode_val = devm_kzalloc(dev, - NETXBIG_LED_MODE_NUM * sizeof(*mode_val), + array_size(NETXBIG_LED_MODE_NUM, sizeof(*mode_val)), GFP_KERNEL); if (!mode_val) { ret = -ENOMEM; diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c index 506b75b190e7..0d485920859f 100644 --- a/drivers/leds/leds-ns2.c +++ b/drivers/leds/leds-ns2.c @@ -264,7 +264,7 @@ ns2_leds_get_of_pdata(struct device *dev, struct ns2_led_platform_data *pdata) if (!num_leds) return -ENODEV; - leds = devm_kzalloc(dev, num_leds * sizeof(struct ns2_led), + leds = devm_kzalloc(dev, array_size(num_leds, sizeof(struct ns2_led)), GFP_KERNEL); if (!leds) return -ENOMEM; @@ -299,7 +299,7 @@ ns2_leds_get_of_pdata(struct device *dev, struct ns2_led_platform_data *pdata) num_modes = ret / 3; modval = devm_kzalloc(dev, - num_modes * sizeof(struct ns2_led_modval), + array_size(num_modes, sizeof(struct ns2_led_modval)), GFP_KERNEL); if (!modval) return -ENOMEM; diff --git a/drivers/leds/leds-tca6507.c b/drivers/leds/leds-tca6507.c index c12c16fb1b9c..0ef429e8dfe7 100644 --- a/drivers/leds/leds-tca6507.c +++ b/drivers/leds/leds-tca6507.c @@ -698,7 +698,8 @@ tca6507_led_dt_init(struct i2c_client *client) return ERR_PTR(-ENODEV); tca_leds = devm_kzalloc(&client->dev, - sizeof(struct led_info) * NUM_LEDS, GFP_KERNEL); + array_size(NUM_LEDS, sizeof(struct led_info)), + GFP_KERNEL); if (!tca_leds) return ERR_PTR(-ENOMEM); diff --git a/drivers/mailbox/mailbox-sti.c b/drivers/mailbox/mailbox-sti.c index 41bcd339b68a..2761d1089047 100644 --- a/drivers/mailbox/mailbox-sti.c +++ b/drivers/mailbox/mailbox-sti.c @@ -443,7 +443,8 @@ static int sti_mbox_probe(struct platform_device *pdev) return -ENOMEM; chans = devm_kzalloc(&pdev->dev, - sizeof(*chans) * STI_MBOX_CHAN_MAX, GFP_KERNEL); + array_size(STI_MBOX_CHAN_MAX, sizeof(*chans)), + GFP_KERNEL); if (!chans) return -ENOMEM; diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c index 2517038a8452..d9709f32f578 100644 --- a/drivers/mailbox/omap-mailbox.c +++ b/drivers/mailbox/omap-mailbox.c @@ -729,7 +729,8 @@ static int omap_mbox_probe(struct platform_device *pdev) return -ENODEV; } - finfoblk = devm_kzalloc(&pdev->dev, info_count * sizeof(*finfoblk), + finfoblk = devm_kzalloc(&pdev->dev, + array_size(info_count, sizeof(*finfoblk)), GFP_KERNEL); if (!finfoblk) return -ENOMEM; @@ -773,7 +774,8 @@ static int omap_mbox_probe(struct platform_device *pdev) if (IS_ERR(mdev->mbox_base)) return PTR_ERR(mdev->mbox_base); - mdev->irq_ctx = devm_kzalloc(&pdev->dev, num_users * sizeof(u32), + mdev->irq_ctx = devm_kzalloc(&pdev->dev, + array_size(num_users, sizeof(u32)), GFP_KERNEL); if (!mdev->irq_ctx) return -ENOMEM; @@ -789,7 +791,8 @@ static int omap_mbox_probe(struct platform_device *pdev) if (!chnls) return -ENOMEM; - mboxblk = devm_kzalloc(&pdev->dev, info_count * sizeof(*mbox), + mboxblk = devm_kzalloc(&pdev->dev, + array_size(info_count, sizeof(*mbox)), GFP_KERNEL); if (!mboxblk) return -ENOMEM; diff --git a/drivers/mailbox/ti-msgmgr.c b/drivers/mailbox/ti-msgmgr.c index 78753a87ba4d..8237db43a204 100644 --- a/drivers/mailbox/ti-msgmgr.c +++ b/drivers/mailbox/ti-msgmgr.c @@ -568,12 +568,14 @@ static int ti_msgmgr_probe(struct platform_device *pdev) } inst->num_valid_queues = queue_count; - qinst = devm_kzalloc(dev, sizeof(*qinst) * queue_count, GFP_KERNEL); + qinst = devm_kzalloc(dev, array_size(queue_count, sizeof(*qinst)), + GFP_KERNEL); if (!qinst) return -ENOMEM; inst->qinsts = qinst; - chans = devm_kzalloc(dev, sizeof(*chans) * queue_count, GFP_KERNEL); + chans = devm_kzalloc(dev, array_size(queue_count, sizeof(*chans)), + GFP_KERNEL); if (!chans) return -ENOMEM; inst->chans = chans; diff --git a/drivers/media/i2c/s5k5baf.c b/drivers/media/i2c/s5k5baf.c index ff46d2c96cea..a3bb3841d6b7 100644 --- a/drivers/media/i2c/s5k5baf.c +++ b/drivers/media/i2c/s5k5baf.c @@ -373,7 +373,7 @@ static int s5k5baf_fw_parse(struct device *dev, struct s5k5baf_fw **fw, data += S5K5BAG_FW_TAG_LEN; count -= S5K5BAG_FW_TAG_LEN; - d = devm_kzalloc(dev, count * sizeof(u16), GFP_KERNEL); + d = devm_kzalloc(dev, array_size(count, sizeof(u16)), GFP_KERNEL); if (!d) return -ENOMEM; diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index 9364cdf62f54..244cac2eea6a 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -1528,8 +1528,9 @@ vpif_capture_get_pdata(struct platform_device *pdev) if (!pdata) return NULL; pdata->subdev_info = - devm_kzalloc(&pdev->dev, sizeof(*pdata->subdev_info) * - VPIF_CAPTURE_NUM_CHANNELS, GFP_KERNEL); + devm_kzalloc(&pdev->dev, + array_size(VPIF_CAPTURE_NUM_CHANNELS, sizeof(*pdata->subdev_info)), + GFP_KERNEL); if (!pdata->subdev_info) return NULL; @@ -1547,8 +1548,7 @@ vpif_capture_get_pdata(struct platform_device *pdev) sdinfo = &pdata->subdev_info[i]; chan = &pdata->chan_config[i]; chan->inputs = devm_kzalloc(&pdev->dev, - sizeof(*chan->inputs) * - VPIF_CAPTURE_NUM_CHANNELS, + array_size(VPIF_CAPTURE_NUM_CHANNELS, sizeof(*chan->inputs)), GFP_KERNEL); if (!chan->inputs) return NULL; diff --git a/drivers/media/platform/vsp1/vsp1_entity.c b/drivers/media/platform/vsp1/vsp1_entity.c index 54de15095709..405388e0ec37 100644 --- a/drivers/media/platform/vsp1/vsp1_entity.c +++ b/drivers/media/platform/vsp1/vsp1_entity.c @@ -511,7 +511,8 @@ int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity, entity->source_pad = num_pads - 1; /* Allocate and initialize pads. */ - entity->pads = devm_kzalloc(vsp1->dev, num_pads * sizeof(*entity->pads), + entity->pads = devm_kzalloc(vsp1->dev, + array_size(num_pads, sizeof(*entity->pads)), GFP_KERNEL); if (entity->pads == NULL) return -ENOMEM; diff --git a/drivers/media/platform/xilinx/xilinx-vipp.c b/drivers/media/platform/xilinx/xilinx-vipp.c index 6bb28cd49dae..ef8eb8e32480 100644 --- a/drivers/media/platform/xilinx/xilinx-vipp.c +++ b/drivers/media/platform/xilinx/xilinx-vipp.c @@ -532,7 +532,8 @@ static int xvip_graph_init(struct xvip_composite_device *xdev) /* Register the subdevices notifier. */ num_subdevs = xdev->num_subdevs; - subdevs = devm_kzalloc(xdev->dev, sizeof(*subdevs) * num_subdevs, + subdevs = devm_kzalloc(xdev->dev, + array_size(num_subdevs, sizeof(*subdevs)), GFP_KERNEL); if (subdevs == NULL) { ret = -ENOMEM; diff --git a/drivers/memory/of_memory.c b/drivers/memory/of_memory.c index 568f05ed961a..c7c61418a354 100644 --- a/drivers/memory/of_memory.c +++ b/drivers/memory/of_memory.c @@ -126,8 +126,9 @@ const struct lpddr2_timings *of_get_ddr_timings(struct device_node *np_ddr, arr_sz++; if (arr_sz) - timings = devm_kzalloc(dev, sizeof(*timings) * arr_sz, - GFP_KERNEL); + timings = devm_kzalloc(dev, + array_size(arr_sz, sizeof(*timings)), + GFP_KERNEL); if (!timings) goto default_timings; diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c index 8ba41073dd89..3e4a238f8583 100644 --- a/drivers/mfd/ab8500-debugfs.c +++ b/drivers/mfd/ab8500-debugfs.c @@ -2661,17 +2661,20 @@ static int ab8500_debug_probe(struct platform_device *plf) num_irqs = ab8500->mask_size; irq_count = devm_kzalloc(&plf->dev, - sizeof(*irq_count)*num_irqs, GFP_KERNEL); + array_size(num_irqs, sizeof(*irq_count)), + GFP_KERNEL); if (!irq_count) return -ENOMEM; dev_attr = devm_kzalloc(&plf->dev, - sizeof(*dev_attr)*num_irqs, GFP_KERNEL); + array_size(num_irqs, sizeof(*dev_attr)), + GFP_KERNEL); if (!dev_attr) return -ENOMEM; event_name = devm_kzalloc(&plf->dev, - sizeof(*event_name)*num_irqs, GFP_KERNEL); + array_size(num_irqs, sizeof(*event_name)), + GFP_KERNEL); if (!event_name) return -ENOMEM; diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c index d3133a371e27..e5bb7d6d9d0f 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -1140,8 +1140,8 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id) num_slaves = twl_get_num_slaves(); twl_priv->twl_modules = devm_kzalloc(&client->dev, - sizeof(struct twl_client) * num_slaves, - GFP_KERNEL); + array_size(num_slaves, sizeof(struct twl_client)), + GFP_KERNEL); if (!twl_priv->twl_modules) { status = -ENOMEM; goto free; diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c index a9d217c9afcc..eff8eae3b005 100644 --- a/drivers/misc/sram.c +++ b/drivers/misc/sram.c @@ -265,8 +265,8 @@ static int sram_reserve_regions(struct sram_dev *sram, struct resource *res) if (exports) { sram->partition = devm_kzalloc(sram->dev, - exports * sizeof(*sram->partition), - GFP_KERNEL); + array_size(exports, sizeof(*sram->partition)), + GFP_KERNEL); if (!sram->partition) { ret = -ENOMEM; goto err_chunks; diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index a1782ceae772..14608fa4400f 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -1995,7 +1995,8 @@ static int __init docg3_probe(struct platform_device *pdev) base = devm_ioremap(dev, ress->start, DOC_IOSPACE_SIZE); ret = -ENOMEM; - cascade = devm_kzalloc(dev, sizeof(*cascade) * DOC_MAX_NBFLOORS, + cascade = devm_kzalloc(dev, + array_size(DOC_MAX_NBFLOORS, sizeof(*cascade)), GFP_KERNEL); if (!cascade) return ret; diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c index b554fb6e609c..d5e22922d011 100644 --- a/drivers/mtd/nand/raw/qcom_nandc.c +++ b/drivers/mtd/nand/raw/qcom_nandc.c @@ -2511,8 +2511,8 @@ static int qcom_nandc_alloc(struct qcom_nand_controller *nandc) return -ENOMEM; nandc->reg_read_buf = devm_kzalloc(nandc->dev, - MAX_REG_RD * sizeof(*nandc->reg_read_buf), - GFP_KERNEL); + array_size(MAX_REG_RD, sizeof(*nandc->reg_read_buf)), + GFP_KERNEL); if (!nandc->reg_read_buf) return -ENOMEM; diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c index 060cb18fa659..5eca39bd674d 100644 --- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c +++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c @@ -839,7 +839,7 @@ static void ena_dump_stats_ex(struct ena_adapter *adapter, u8 *buf) } strings_buf = devm_kzalloc(&adapter->pdev->dev, - strings_num * ETH_GSTRING_LEN, + array_size(ETH_GSTRING_LEN, strings_num), GFP_ATOMIC); if (!strings_buf) { netif_err(adapter, drv, netdev, @@ -848,7 +848,7 @@ static void ena_dump_stats_ex(struct ena_adapter *adapter, u8 *buf) } data_buf = devm_kzalloc(&adapter->pdev->dev, - strings_num * sizeof(u64), + array_size(strings_num, sizeof(u64)), GFP_ATOMIC); if (!data_buf) { netif_err(adapter, drv, netdev, diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c index 8bb0db990c8f..828f39dc72ba 100644 --- a/drivers/net/ethernet/ethoc.c +++ b/drivers/net/ethernet/ethoc.c @@ -1141,7 +1141,9 @@ static int ethoc_probe(struct platform_device *pdev) dev_dbg(&pdev->dev, "ethoc: num_tx: %d num_rx: %d\n", priv->num_tx, priv->num_rx); - priv->vma = devm_kzalloc(&pdev->dev, num_bd*sizeof(void *), GFP_KERNEL); + priv->vma = devm_kzalloc(&pdev->dev, + array_size(num_bd, sizeof(void *)), + GFP_KERNEL); if (!priv->vma) { ret = -ENOMEM; goto free; diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index fd43f98ddbe7..91ab4ee50d67 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -664,7 +664,7 @@ static struct dpaa_fq *dpaa_fq_alloc(struct device *dev, struct dpaa_fq *dpaa_fq; int i; - dpaa_fq = devm_kzalloc(dev, sizeof(*dpaa_fq) * count, + dpaa_fq = devm_kzalloc(dev, array_size(count, sizeof(*dpaa_fq)), GFP_KERNEL); if (!dpaa_fq) return NULL; diff --git a/drivers/net/ethernet/ni/nixge.c b/drivers/net/ethernet/ni/nixge.c index 27364b7572fc..8c4fd186ac8b 100644 --- a/drivers/net/ethernet/ni/nixge.c +++ b/drivers/net/ethernet/ni/nixge.c @@ -248,8 +248,7 @@ static int nixge_hw_dma_bd_init(struct net_device *ndev) goto out; priv->tx_skb = devm_kzalloc(ndev->dev.parent, - sizeof(*priv->tx_skb) * - TX_BD_NUM, + array_size(TX_BD_NUM, sizeof(*priv->tx_skb)), GFP_KERNEL); if (!priv->tx_skb) goto out; diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index 4f30cdcd2b53..12ff10d2f921 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -181,7 +181,8 @@ mt76_init_sband(struct mt76_dev *dev, struct mt76_sband *msband, if (!chanlist) return -ENOMEM; - msband->chan = devm_kzalloc(dev->dev, n_chan * sizeof(*msband->chan), + msband->chan = devm_kzalloc(dev->dev, + array_size(n_chan, sizeof(*msband->chan)), GFP_KERNEL); if (!msband->chan) return -ENOMEM; diff --git a/drivers/nfc/fdp/i2c.c b/drivers/nfc/fdp/i2c.c index c4da50e07bbc..935728080c59 100644 --- a/drivers/nfc/fdp/i2c.c +++ b/drivers/nfc/fdp/i2c.c @@ -260,7 +260,7 @@ static void fdp_nci_i2c_read_device_properties(struct device *dev, len++; *fw_vsc_cfg = devm_kmalloc(dev, - len * sizeof(**fw_vsc_cfg), + array_size(len, sizeof(**fw_vsc_cfg)), GFP_KERNEL); r = device_property_read_u8_array(dev, FDP_DP_FW_VSC_CFG_NAME, diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c index ed8558d638e5..eea624066777 100644 --- a/drivers/pci/dwc/pci-dra7xx.c +++ b/drivers/pci/dwc/pci-dra7xx.c @@ -638,11 +638,13 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev) return phy_count; } - phy = devm_kzalloc(dev, sizeof(*phy) * phy_count, GFP_KERNEL); + phy = devm_kzalloc(dev, array_size(phy_count, sizeof(*phy)), + GFP_KERNEL); if (!phy) return -ENOMEM; - link = devm_kzalloc(dev, sizeof(*link) * phy_count, GFP_KERNEL); + link = devm_kzalloc(dev, array_size(phy_count, sizeof(*link)), + GFP_KERNEL); if (!link) return -ENOMEM; diff --git a/drivers/pinctrl/berlin/berlin.c b/drivers/pinctrl/berlin/berlin.c index cc3bd2efafe3..4b710037cea6 100644 --- a/drivers/pinctrl/berlin/berlin.c +++ b/drivers/pinctrl/berlin/berlin.c @@ -220,7 +220,7 @@ static int berlin_pinctrl_build_state(struct platform_device *pdev) /* we will reallocate later */ pctrl->functions = devm_kzalloc(&pdev->dev, - max_functions * sizeof(*pctrl->functions), + array_size(max_functions, sizeof(*pctrl->functions)), GFP_KERNEL); if (!pctrl->functions) return -ENOMEM; diff --git a/drivers/pinctrl/freescale/pinctrl-imx1-core.c b/drivers/pinctrl/freescale/pinctrl-imx1-core.c index 4eedd874bd02..ebf32b65d822 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx1-core.c +++ b/drivers/pinctrl/freescale/pinctrl-imx1-core.c @@ -572,11 +572,13 @@ static int imx1_pinctrl_parse_dt(struct platform_device *pdev, info->nfunctions = nfuncs; info->functions = devm_kzalloc(&pdev->dev, - nfuncs * sizeof(struct imx1_pmx_func), GFP_KERNEL); + array_size(nfuncs, sizeof(struct imx1_pmx_func)), + GFP_KERNEL); info->ngroups = ngroups; info->groups = devm_kzalloc(&pdev->dev, - ngroups * sizeof(struct imx1_pin_group), GFP_KERNEL); + array_size(ngroups, sizeof(struct imx1_pin_group)), + GFP_KERNEL); if (!info->functions || !info->groups) diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c index b854f1ee5de5..7c07575819ea 100644 --- a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c @@ -630,7 +630,8 @@ static int armada_xp_pinctrl_probe(struct platform_device *pdev) nregs = DIV_ROUND_UP(soc->nmodes, MVEBU_MPPS_PER_REG); - mpp_saved_regs = devm_kmalloc(&pdev->dev, nregs * sizeof(u32), + mpp_saved_regs = devm_kmalloc(&pdev->dev, + array_size(nregs, sizeof(u32)), GFP_KERNEL); if (!mpp_saved_regs) return -ENOMEM; diff --git a/drivers/pinctrl/mvebu/pinctrl-mvebu.c b/drivers/pinctrl/mvebu/pinctrl-mvebu.c index 9e05cfaf75f0..437345990da7 100644 --- a/drivers/pinctrl/mvebu/pinctrl-mvebu.c +++ b/drivers/pinctrl/mvebu/pinctrl-mvebu.c @@ -501,8 +501,9 @@ static int mvebu_pinctrl_build_functions(struct platform_device *pdev, /* we allocate functions for number of pins and hope * there are fewer unique functions than pins available */ - funcs = devm_kzalloc(&pdev->dev, funcsize * - sizeof(struct mvebu_pinctrl_function), GFP_KERNEL); + funcs = devm_kzalloc(&pdev->dev, + array_size(funcsize, sizeof(struct mvebu_pinctrl_function)), + GFP_KERNEL); if (!funcs) return -ENOMEM; diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index 297f1d161211..2e9224ad8d11 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -269,7 +269,9 @@ static int at91_dt_node_to_map(struct pinctrl_dev *pctldev, } map_num += grp->npins; - new_map = devm_kzalloc(pctldev->dev, sizeof(*new_map) * map_num, GFP_KERNEL); + new_map = devm_kzalloc(pctldev->dev, + array_size(map_num, sizeof(*new_map)), + GFP_KERNEL); if (!new_map) return -ENOMEM; @@ -1049,7 +1051,9 @@ static int at91_pinctrl_mux_mask(struct at91_pinctrl *info, } info->nmux = size / gpio_banks; - info->mux_mask = devm_kzalloc(info->dev, sizeof(u32) * size, GFP_KERNEL); + info->mux_mask = devm_kzalloc(info->dev, + array_size(size, sizeof(u32)), + GFP_KERNEL); if (!info->mux_mask) return -ENOMEM; diff --git a/drivers/pinctrl/pinctrl-axp209.c b/drivers/pinctrl/pinctrl-axp209.c index 1231bbbfa744..f81dc2e301d6 100644 --- a/drivers/pinctrl/pinctrl-axp209.c +++ b/drivers/pinctrl/pinctrl-axp209.c @@ -328,7 +328,8 @@ static void axp20x_funcs_groups_from_mask(struct device *dev, unsigned int mask, func->ngroups = ngroups; if (func->ngroups > 0) { - func->groups = devm_kzalloc(dev, ngroups * sizeof(const char *), + func->groups = devm_kzalloc(dev, + array_size(ngroups, sizeof(const char *)), GFP_KERNEL); group = func->groups; for_each_set_bit(bit, &mask_cpy, mask_len) { @@ -359,7 +360,7 @@ static void axp20x_build_funcs_groups(struct platform_device *pdev) for (i = 0; i <= AXP20X_FUNC_GPIO_IN; i++) { pctl->funcs[i].ngroups = npins; pctl->funcs[i].groups = devm_kzalloc(&pdev->dev, - npins * sizeof(char *), + array_size(npins, sizeof(char *)), GFP_KERNEL); for (pin = 0; pin < npins; pin++) pctl->funcs[i].groups[pin] = pctl->desc->pins[pin].name; diff --git a/drivers/pinctrl/pinctrl-digicolor.c b/drivers/pinctrl/pinctrl-digicolor.c index ce269ced4d49..eeaa231e178b 100644 --- a/drivers/pinctrl/pinctrl-digicolor.c +++ b/drivers/pinctrl/pinctrl-digicolor.c @@ -291,10 +291,11 @@ static int dc_pinctrl_probe(struct platform_device *pdev) if (IS_ERR(pmap->regs)) return PTR_ERR(pmap->regs); - pins = devm_kzalloc(&pdev->dev, sizeof(*pins)*PINS_COUNT, GFP_KERNEL); + pins = devm_kzalloc(&pdev->dev, array_size(PINS_COUNT, sizeof(*pins)), + GFP_KERNEL); if (!pins) return -ENOMEM; - pin_names = devm_kzalloc(&pdev->dev, name_len * PINS_COUNT, + pin_names = devm_kzalloc(&pdev->dev, array_size(PINS_COUNT, name_len), GFP_KERNEL); if (!pin_names) return -ENOMEM; diff --git a/drivers/pinctrl/pinctrl-lpc18xx.c b/drivers/pinctrl/pinctrl-lpc18xx.c index d090f37ca4a1..e15312add697 100644 --- a/drivers/pinctrl/pinctrl-lpc18xx.c +++ b/drivers/pinctrl/pinctrl-lpc18xx.c @@ -1308,8 +1308,9 @@ static int lpc18xx_create_group_func_map(struct device *dev, } scu->func[func].ngroups = ngroups; - scu->func[func].groups = devm_kzalloc(dev, ngroups * - sizeof(char *), GFP_KERNEL); + scu->func[func].groups = devm_kzalloc(dev, + array_size(ngroups, sizeof(char *)), + GFP_KERNEL); if (!scu->func[func].groups) return -ENOMEM; diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c index b5b3547fdcb2..6bac629c57a7 100644 --- a/drivers/pinctrl/pinctrl-ocelot.c +++ b/drivers/pinctrl/pinctrl-ocelot.c @@ -330,9 +330,9 @@ static int ocelot_create_group_func_map(struct device *dev, } info->func[f].ngroups = npins; - info->func[f].groups = devm_kzalloc(dev, npins * - sizeof(char *), - GFP_KERNEL); + info->func[f].groups = devm_kzalloc(dev, + array_size(npins, sizeof(char *)), + GFP_KERNEL); if (!info->func[f].groups) return -ENOMEM; diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 3924779f5578..5f9e3e3b598c 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -506,8 +506,9 @@ static int rockchip_dt_node_to_map(struct pinctrl_dev *pctldev, } map_num += grp->npins; - new_map = devm_kzalloc(pctldev->dev, sizeof(*new_map) * map_num, - GFP_KERNEL); + new_map = devm_kzalloc(pctldev->dev, + array_size(map_num, sizeof(*new_map)), + GFP_KERNEL); if (!new_map) return -ENOMEM; diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index a7c5eb39b1eb..d773f9cbef4f 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -710,8 +710,8 @@ static int pcs_allocate_pin_table(struct pcs_device *pcs) dev_dbg(pcs->dev, "allocating %i pins\n", nr_pins); pcs->pins.pa = devm_kzalloc(pcs->dev, - sizeof(*pcs->pins.pa) * nr_pins, - GFP_KERNEL); + array_size(nr_pins, sizeof(*pcs->pins.pa)), + GFP_KERNEL); if (!pcs->pins.pa) return -ENOMEM; @@ -922,14 +922,15 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, struct device_node *np, return 0; func->conf = devm_kzalloc(pcs->dev, - sizeof(struct pcs_conf_vals) * nconfs, + array_size(nconfs, sizeof(struct pcs_conf_vals)), GFP_KERNEL); if (!func->conf) return -ENOMEM; func->nconfs = nconfs; conf = &(func->conf[0]); m++; - settings = devm_kzalloc(pcs->dev, sizeof(unsigned long) * nconfs, + settings = devm_kzalloc(pcs->dev, + array_size(nconfs, sizeof(unsigned long)), GFP_KERNEL); if (!settings) return -ENOMEM; @@ -985,11 +986,13 @@ static int pcs_parse_one_pinctrl_entry(struct pcs_device *pcs, return -EINVAL; } - vals = devm_kzalloc(pcs->dev, sizeof(*vals) * rows, GFP_KERNEL); + vals = devm_kzalloc(pcs->dev, array_size(rows, sizeof(*vals)), + GFP_KERNEL); if (!vals) return -ENOMEM; - pins = devm_kzalloc(pcs->dev, sizeof(*pins) * rows, GFP_KERNEL); + pins = devm_kzalloc(pcs->dev, array_size(rows, sizeof(*pins)), + GFP_KERNEL); if (!pins) goto free_vals; @@ -1086,13 +1089,15 @@ static int pcs_parse_bits_in_pinctrl_entry(struct pcs_device *pcs, npins_in_row = pcs->width / pcs->bits_per_pin; - vals = devm_kzalloc(pcs->dev, sizeof(*vals) * rows * npins_in_row, - GFP_KERNEL); + vals = devm_kzalloc(pcs->dev, + array3_size(rows, npins_in_row, sizeof(*vals)), + GFP_KERNEL); if (!vals) return -ENOMEM; - pins = devm_kzalloc(pcs->dev, sizeof(*pins) * rows * npins_in_row, - GFP_KERNEL); + pins = devm_kzalloc(pcs->dev, + array3_size(rows, npins_in_row, sizeof(*pins)), + GFP_KERNEL); if (!pins) goto free_vals; @@ -1214,7 +1219,8 @@ static int pcs_dt_node_to_map(struct pinctrl_dev *pctldev, pcs = pinctrl_dev_get_drvdata(pctldev); /* create 2 maps. One is for pinmux, and the other is for pinconf. */ - *map = devm_kzalloc(pcs->dev, sizeof(**map) * 2, GFP_KERNEL); + *map = devm_kzalloc(pcs->dev, array_size(2, sizeof(**map)), + GFP_KERNEL); if (!*map) return -ENOMEM; diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index 2081c67667a8..342fb4627006 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -824,7 +824,8 @@ static int st_pctl_dt_node_to_map(struct pinctrl_dev *pctldev, map_num = grp->npins + 1; new_map = devm_kzalloc(pctldev->dev, - sizeof(*new_map) * map_num, GFP_KERNEL); + array_size(map_num, sizeof(*new_map)), + GFP_KERNEL); if (!new_map) return -ENOMEM; @@ -1191,9 +1192,11 @@ static int st_pctl_dt_parse_groups(struct device_node *np, grp->npins = npins; grp->name = np->name; - grp->pins = devm_kzalloc(info->dev, npins * sizeof(u32), GFP_KERNEL); + grp->pins = devm_kzalloc(info->dev, array_size(npins, sizeof(u32)), + GFP_KERNEL); grp->pin_conf = devm_kzalloc(info->dev, - npins * sizeof(*conf), GFP_KERNEL); + array_size(npins, sizeof(*conf)), + GFP_KERNEL); if (!grp->pins || !grp->pin_conf) return -ENOMEM; diff --git a/drivers/pinctrl/samsung/pinctrl-exynos5440.c b/drivers/pinctrl/samsung/pinctrl-exynos5440.c index 832ba81e192e..3a962c3ae3f4 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos5440.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos5440.c @@ -666,13 +666,15 @@ static int exynos5440_pinctrl_parse_dt(struct platform_device *pdev, if (!grp_cnt) return -EINVAL; - groups = devm_kzalloc(dev, grp_cnt * sizeof(*groups), GFP_KERNEL); + groups = devm_kzalloc(dev, array_size(grp_cnt, sizeof(*groups)), + GFP_KERNEL); if (!groups) return -EINVAL; grp = groups; - functions = devm_kzalloc(dev, grp_cnt * sizeof(*functions), GFP_KERNEL); + functions = devm_kzalloc(dev, array_size(grp_cnt, sizeof(*functions)), + GFP_KERNEL); if (!functions) return -EINVAL; @@ -754,8 +756,9 @@ static int exynos5440_pinctrl_register(struct platform_device *pdev, ctrldesc->pmxops = &exynos5440_pinmux_ops; ctrldesc->confops = &exynos5440_pinconf_ops; - pindesc = devm_kzalloc(&pdev->dev, sizeof(*pindesc) * - EXYNOS5440_MAX_PINS, GFP_KERNEL); + pindesc = devm_kzalloc(&pdev->dev, + array_size(EXYNOS5440_MAX_PINS, sizeof(*pindesc)), + GFP_KERNEL); if (!pindesc) return -ENOMEM; ctrldesc->pins = pindesc; @@ -909,8 +912,9 @@ static int exynos5440_gpio_irq_init(struct platform_device *pdev, struct exynos5440_gpio_intr_data *intd; int i, irq, ret; - intd = devm_kzalloc(dev, sizeof(*intd) * EXYNOS5440_MAX_GPIO_INT, - GFP_KERNEL); + intd = devm_kzalloc(dev, + array_size(EXYNOS5440_MAX_GPIO_INT, sizeof(*intd)), + GFP_KERNEL); if (!intd) return -ENOMEM; diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index 336e88d7bdb9..dd9b17e1fbba 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -682,7 +682,8 @@ static int samsung_pinctrl_create_function(struct device *dev, func->name = func_np->full_name; - func->groups = devm_kzalloc(dev, npins * sizeof(char *), GFP_KERNEL); + func->groups = devm_kzalloc(dev, array_size(npins, sizeof(char *)), + GFP_KERNEL); if (!func->groups) return -ENOMEM; @@ -739,8 +740,9 @@ static struct samsung_pmx_func *samsung_pinctrl_create_functions( } } - functions = devm_kzalloc(dev, func_cnt * sizeof(*functions), - GFP_KERNEL); + functions = devm_kzalloc(dev, + array_size(func_cnt, sizeof(*functions)), + GFP_KERNEL); if (!functions) return ERR_PTR(-ENOMEM); func = functions; diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c index 74861b7b5b0d..108dd21d08a6 100644 --- a/drivers/pinctrl/sh-pfc/core.c +++ b/drivers/pinctrl/sh-pfc/core.c @@ -57,7 +57,8 @@ static int sh_pfc_map_resources(struct sh_pfc *pfc, return -EINVAL; /* Allocate memory windows and IRQs arrays. */ - windows = devm_kzalloc(pfc->dev, num_windows * sizeof(*windows), + windows = devm_kzalloc(pfc->dev, + array_size(num_windows, sizeof(*windows)), GFP_KERNEL); if (windows == NULL) return -ENOMEM; @@ -66,7 +67,8 @@ static int sh_pfc_map_resources(struct sh_pfc *pfc, pfc->windows = windows; if (num_irqs) { - irqs = devm_kzalloc(pfc->dev, num_irqs * sizeof(*irqs), + irqs = devm_kzalloc(pfc->dev, + array_size(num_irqs, sizeof(*irqs)), GFP_KERNEL); if (irqs == NULL) return -ENOMEM; @@ -444,7 +446,8 @@ static int sh_pfc_init_ranges(struct sh_pfc *pfc) } pfc->nr_ranges = nr_ranges; - pfc->ranges = devm_kzalloc(pfc->dev, sizeof(*pfc->ranges) * nr_ranges, + pfc->ranges = devm_kzalloc(pfc->dev, + array_size(nr_ranges, sizeof(*pfc->ranges)), GFP_KERNEL); if (pfc->ranges == NULL) return -ENOMEM; diff --git a/drivers/pinctrl/sh-pfc/gpio.c b/drivers/pinctrl/sh-pfc/gpio.c index 946d9be50b62..fe9b20cb7612 100644 --- a/drivers/pinctrl/sh-pfc/gpio.c +++ b/drivers/pinctrl/sh-pfc/gpio.c @@ -107,7 +107,8 @@ static int gpio_setup_data_regs(struct sh_pfc_chip *chip) for (i = 0; pfc->info->data_regs[i].reg_width; ++i) ; - chip->regs = devm_kzalloc(pfc->dev, i * sizeof(*chip->regs), + chip->regs = devm_kzalloc(pfc->dev, + array_size(i, sizeof(*chip->regs)), GFP_KERNEL); if (chip->regs == NULL) return -ENOMEM; diff --git a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c index a8a6510183b6..f77a7d124a75 100644 --- a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c +++ b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c @@ -510,11 +510,13 @@ static int ti_iodelay_dt_node_to_map(struct pinctrl_dev *pctldev, goto free_map; } - pins = devm_kzalloc(iod->dev, sizeof(*pins) * rows, GFP_KERNEL); + pins = devm_kzalloc(iod->dev, array_size(rows, sizeof(*pins)), + GFP_KERNEL); if (!pins) goto free_group; - cfg = devm_kzalloc(iod->dev, sizeof(*cfg) * rows, GFP_KERNEL); + cfg = devm_kzalloc(iod->dev, array_size(rows, sizeof(*cfg)), + GFP_KERNEL); if (!cfg) { error = -ENOMEM; goto free_pins; @@ -749,7 +751,8 @@ static int ti_iodelay_alloc_pins(struct device *dev, nr_pins = ti_iodelay_offset_to_pin(iod, r->regmap_config->max_register); dev_dbg(dev, "Allocating %i pins\n", nr_pins); - iod->pa = devm_kzalloc(dev, sizeof(*iod->pa) * nr_pins, GFP_KERNEL); + iod->pa = devm_kzalloc(dev, array_size(nr_pins, sizeof(*iod->pa)), + GFP_KERNEL); if (!iod->pa) return -ENOMEM; diff --git a/drivers/pinctrl/zte/pinctrl-zx.c b/drivers/pinctrl/zte/pinctrl-zx.c index ded366bb6564..f9fd665529c2 100644 --- a/drivers/pinctrl/zte/pinctrl-zx.c +++ b/drivers/pinctrl/zte/pinctrl-zx.c @@ -277,7 +277,8 @@ static int zx_pinctrl_build_state(struct platform_device *pdev) /* Every single pin composes a group */ ngroups = info->npins; - groups = devm_kzalloc(&pdev->dev, ngroups * sizeof(*groups), + groups = devm_kzalloc(&pdev->dev, + array_size(ngroups, sizeof(*groups)), GFP_KERNEL); if (!groups) return -ENOMEM; diff --git a/drivers/platform/mellanox/mlxreg-hotplug.c b/drivers/platform/mellanox/mlxreg-hotplug.c index ea9e7f4479ca..fe6770c5d793 100644 --- a/drivers/platform/mellanox/mlxreg-hotplug.c +++ b/drivers/platform/mellanox/mlxreg-hotplug.c @@ -217,8 +217,8 @@ static int mlxreg_hotplug_attr_init(struct mlxreg_hotplug_priv_data *priv) } } - priv->group.attrs = devm_kzalloc(&priv->pdev->dev, num_attrs * - sizeof(struct attribute *), + priv->group.attrs = devm_kzalloc(&priv->pdev->dev, + array_size(num_attrs, sizeof(struct attribute *)), GFP_KERNEL); if (!priv->group.attrs) return -ENOMEM; diff --git a/drivers/pwm/pwm-lp3943.c b/drivers/pwm/pwm-lp3943.c index 52584e9962ed..1129fad706d9 100644 --- a/drivers/pwm/pwm-lp3943.c +++ b/drivers/pwm/pwm-lp3943.c @@ -225,7 +225,8 @@ static int lp3943_pwm_parse_dt(struct device *dev, if (num_outputs == 0) continue; - output = devm_kzalloc(dev, sizeof(*output) * num_outputs, + output = devm_kzalloc(dev, + array_size(num_outputs, sizeof(*output)), GFP_KERNEL); if (!output) return -ENOMEM; diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c index 7652477e6a9d..ab6443b087ea 100644 --- a/drivers/regulator/act8865-regulator.c +++ b/drivers/regulator/act8865-regulator.c @@ -425,8 +425,8 @@ static int act8865_pdata_from_dt(struct device *dev, return matched; pdata->regulators = devm_kzalloc(dev, - sizeof(struct act8865_regulator_data) * - num_matches, GFP_KERNEL); + array_size(num_matches, sizeof(struct act8865_regulator_data)), + GFP_KERNEL); if (!pdata->regulators) return -ENOMEM; diff --git a/drivers/regulator/as3711-regulator.c b/drivers/regulator/as3711-regulator.c index 874d415d6b4f..6b23a8fde872 100644 --- a/drivers/regulator/as3711-regulator.c +++ b/drivers/regulator/as3711-regulator.c @@ -239,8 +239,9 @@ static int as3711_regulator_probe(struct platform_device *pdev) } } - regs = devm_kzalloc(&pdev->dev, AS3711_REGULATOR_NUM * - sizeof(struct as3711_regulator), GFP_KERNEL); + regs = devm_kzalloc(&pdev->dev, + array_size(AS3711_REGULATOR_NUM, sizeof(struct as3711_regulator)), + GFP_KERNEL); if (!regs) return -ENOMEM; diff --git a/drivers/regulator/bcm590xx-regulator.c b/drivers/regulator/bcm590xx-regulator.c index 9dd715407b39..19cdec081a9a 100644 --- a/drivers/regulator/bcm590xx-regulator.c +++ b/drivers/regulator/bcm590xx-regulator.c @@ -383,8 +383,9 @@ static int bcm590xx_probe(struct platform_device *pdev) platform_set_drvdata(pdev, pmu); - pmu->desc = devm_kzalloc(&pdev->dev, BCM590XX_NUM_REGS * - sizeof(struct regulator_desc), GFP_KERNEL); + pmu->desc = devm_kzalloc(&pdev->dev, + array_size(BCM590XX_NUM_REGS, sizeof(struct regulator_desc)), + GFP_KERNEL); if (!pmu->desc) return -ENOMEM; diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c index 6a8f9cd69f52..5bedf1a182ab 100644 --- a/drivers/regulator/da9063-regulator.c +++ b/drivers/regulator/da9063-regulator.c @@ -682,8 +682,8 @@ static struct da9063_regulators_pdata *da9063_parse_regulators_dt( return ERR_PTR(-ENOMEM); pdata->regulator_data = devm_kzalloc(&pdev->dev, - num * sizeof(*pdata->regulator_data), - GFP_KERNEL); + array_size(num, sizeof(*pdata->regulator_data)), + GFP_KERNEL); if (!pdata->regulator_data) return ERR_PTR(-ENOMEM); pdata->n_regulators = num; diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c index 66bbaa999433..40c5e8a1da47 100644 --- a/drivers/regulator/max1586.c +++ b/drivers/regulator/max1586.c @@ -194,8 +194,9 @@ static int of_get_max1586_platform_data(struct device *dev, if (matched <= 0) return matched; - pdata->subdevs = devm_kzalloc(dev, sizeof(struct max1586_subdev_data) * - matched, GFP_KERNEL); + pdata->subdevs = devm_kzalloc(dev, + array_size(matched, sizeof(struct max1586_subdev_data)), + GFP_KERNEL); if (!pdata->subdevs) return -ENOMEM; diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c index a6183425f27d..f0e88e0f9b10 100644 --- a/drivers/regulator/max8660.c +++ b/drivers/regulator/max8660.c @@ -351,8 +351,9 @@ static int max8660_pdata_from_dt(struct device *dev, if (matched <= 0) return matched; - pdata->subdevs = devm_kzalloc(dev, sizeof(struct max8660_subdev_data) * - matched, GFP_KERNEL); + pdata->subdevs = devm_kzalloc(dev, + array_size(matched, sizeof(struct max8660_subdev_data)), + GFP_KERNEL); if (!pdata->subdevs) return -ENOMEM; diff --git a/drivers/regulator/pbias-regulator.c b/drivers/regulator/pbias-regulator.c index 8f782d22fdbe..750d06a9f61a 100644 --- a/drivers/regulator/pbias-regulator.c +++ b/drivers/regulator/pbias-regulator.c @@ -173,8 +173,9 @@ static int pbias_regulator_probe(struct platform_device *pdev) if (count < 0) return count; - drvdata = devm_kzalloc(&pdev->dev, sizeof(struct pbias_regulator_data) - * count, GFP_KERNEL); + drvdata = devm_kzalloc(&pdev->dev, + array_size(count, sizeof(struct pbias_regulator_data)), + GFP_KERNEL); if (!drvdata) return -ENOMEM; diff --git a/drivers/regulator/rc5t583-regulator.c b/drivers/regulator/rc5t583-regulator.c index d0f1340168b1..70551a66aaa1 100644 --- a/drivers/regulator/rc5t583-regulator.c +++ b/drivers/regulator/rc5t583-regulator.c @@ -132,8 +132,9 @@ static int rc5t583_regulator_probe(struct platform_device *pdev) return -ENODEV; } - regs = devm_kzalloc(&pdev->dev, RC5T583_REGULATOR_MAX * - sizeof(struct rc5t583_regulator), GFP_KERNEL); + regs = devm_kzalloc(&pdev->dev, + array_size(RC5T583_REGULATOR_MAX, sizeof(struct rc5t583_regulator)), + GFP_KERNEL); if (!regs) return -ENOMEM; diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index afc6518b3680..ec8913380cc4 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -1140,8 +1140,8 @@ static int s2mps11_pmic_probe(struct platform_device *pdev) } s2mps11->ext_control_gpio = devm_kmalloc(&pdev->dev, - sizeof(*s2mps11->ext_control_gpio) * rdev_num, - GFP_KERNEL); + array_size(rdev_num, sizeof(*s2mps11->ext_control_gpio)), + GFP_KERNEL); if (!s2mps11->ext_control_gpio) return -ENOMEM; /* diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c index d2f994298753..e46937f7eb0e 100644 --- a/drivers/regulator/ti-abb-regulator.c +++ b/drivers/regulator/ti-abb-regulator.c @@ -532,13 +532,15 @@ static int ti_abb_init_table(struct device *dev, struct ti_abb *abb, } num_entries /= num_values; - info = devm_kzalloc(dev, sizeof(*info) * num_entries, GFP_KERNEL); + info = devm_kzalloc(dev, array_size(num_entries, sizeof(*info)), + GFP_KERNEL); if (!info) return -ENOMEM; abb->info = info; - volt_table = devm_kzalloc(dev, sizeof(unsigned int) * num_entries, + volt_table = devm_kzalloc(dev, + array_size(num_entries, sizeof(unsigned int)), GFP_KERNEL); if (!volt_table) return -ENOMEM; diff --git a/drivers/regulator/tps65090-regulator.c b/drivers/regulator/tps65090-regulator.c index 395f35dc8cdb..d68086912942 100644 --- a/drivers/regulator/tps65090-regulator.c +++ b/drivers/regulator/tps65090-regulator.c @@ -351,8 +351,9 @@ static struct tps65090_platform_data *tps65090_parse_dt_reg_data( if (!tps65090_pdata) return ERR_PTR(-ENOMEM); - reg_pdata = devm_kzalloc(&pdev->dev, TPS65090_REGULATOR_MAX * - sizeof(*reg_pdata), GFP_KERNEL); + reg_pdata = devm_kzalloc(&pdev->dev, + array_size(TPS65090_REGULATOR_MAX, sizeof(*reg_pdata)), + GFP_KERNEL); if (!reg_pdata) return ERR_PTR(-ENOMEM); @@ -432,8 +433,9 @@ static int tps65090_regulator_probe(struct platform_device *pdev) return tps65090_pdata ? PTR_ERR(tps65090_pdata) : -EINVAL; } - pmic = devm_kzalloc(&pdev->dev, TPS65090_REGULATOR_MAX * sizeof(*pmic), - GFP_KERNEL); + pmic = devm_kzalloc(&pdev->dev, + array_size(TPS65090_REGULATOR_MAX, sizeof(*pmic)), + GFP_KERNEL); if (!pmic) return -ENOMEM; diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c index 7b12e880d1ea..e865895c8ab5 100644 --- a/drivers/regulator/tps65217-regulator.c +++ b/drivers/regulator/tps65217-regulator.c @@ -229,8 +229,9 @@ static int tps65217_regulator_probe(struct platform_device *pdev) unsigned int val; /* Allocate memory for strobes */ - tps->strobes = devm_kzalloc(&pdev->dev, sizeof(u8) * - TPS65217_NUM_REGULATOR, GFP_KERNEL); + tps->strobes = devm_kzalloc(&pdev->dev, + array_size(TPS65217_NUM_REGULATOR, sizeof(u8)), + GFP_KERNEL); platform_set_drvdata(pdev, tps); diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c index 1827185beacc..f8056fb5a41c 100644 --- a/drivers/regulator/tps65218-regulator.c +++ b/drivers/regulator/tps65218-regulator.c @@ -324,8 +324,9 @@ static int tps65218_regulator_probe(struct platform_device *pdev) config.regmap = tps->regmap; /* Allocate memory for strobes */ - tps->strobes = devm_kzalloc(&pdev->dev, sizeof(u8) * - TPS65218_NUM_REGULATOR, GFP_KERNEL); + tps->strobes = devm_kzalloc(&pdev->dev, + array_size(TPS65218_NUM_REGULATOR, sizeof(u8)), + GFP_KERNEL); if (!tps->strobes) return -ENOMEM; diff --git a/drivers/regulator/tps80031-regulator.c b/drivers/regulator/tps80031-regulator.c index d4cc60ad18ae..f5a4647e67cb 100644 --- a/drivers/regulator/tps80031-regulator.c +++ b/drivers/regulator/tps80031-regulator.c @@ -692,7 +692,8 @@ static int tps80031_regulator_probe(struct platform_device *pdev) } pmic = devm_kzalloc(&pdev->dev, - TPS80031_REGULATOR_MAX * sizeof(*pmic), GFP_KERNEL); + array_size(TPS80031_REGULATOR_MAX, sizeof(*pmic)), + GFP_KERNEL); if (!pmic) return -ENOMEM; diff --git a/drivers/reset/reset-ti-syscon.c b/drivers/reset/reset-ti-syscon.c index 99520b0a1329..3f3cc2567363 100644 --- a/drivers/reset/reset-ti-syscon.c +++ b/drivers/reset/reset-ti-syscon.c @@ -189,7 +189,9 @@ static int ti_syscon_reset_probe(struct platform_device *pdev) } nr_controls = (size / sizeof(*list)) / 7; - controls = devm_kzalloc(dev, nr_controls * sizeof(*controls), GFP_KERNEL); + controls = devm_kzalloc(dev, + array_size(nr_controls, sizeof(*controls)), + GFP_KERNEL); if (!controls) return -ENOMEM; diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index 922e3e56c90d..8b64c5831e8a 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -233,13 +233,13 @@ static int isci_register_sas_ha(struct isci_host *isci_host) struct asd_sas_port **sas_ports; sas_phys = devm_kzalloc(&isci_host->pdev->dev, - SCI_MAX_PHYS * sizeof(void *), + array_size(SCI_MAX_PHYS, sizeof(void *)), GFP_KERNEL); if (!sas_phys) return -ENOMEM; sas_ports = devm_kzalloc(&isci_host->pdev->dev, - SCI_MAX_PORTS * sizeof(void *), + array_size(SCI_MAX_PORTS, sizeof(void *)), GFP_KERNEL); if (!sas_ports) return -ENOMEM; diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c index e82bde077296..024bdf2449be 100644 --- a/drivers/scsi/ufs/ufshcd-pltfrm.c +++ b/drivers/scsi/ufs/ufshcd-pltfrm.c @@ -86,8 +86,8 @@ static int ufshcd_parse_clock_info(struct ufs_hba *hba) goto out; } - clkfreq = devm_kzalloc(dev, sz * sizeof(*clkfreq), - GFP_KERNEL); + clkfreq = devm_kzalloc(dev, array_size(sz, sizeof(*clkfreq)), + GFP_KERNEL); if (!clkfreq) { ret = -ENOMEM; goto out; diff --git a/drivers/soc/bcm/raspberrypi-power.c b/drivers/soc/bcm/raspberrypi-power.c index f7ed1187518b..dd2fb291936a 100644 --- a/drivers/soc/bcm/raspberrypi-power.c +++ b/drivers/soc/bcm/raspberrypi-power.c @@ -165,8 +165,9 @@ static int rpi_power_probe(struct platform_device *pdev) return -ENOMEM; rpi_domains->xlate.domains = - devm_kzalloc(dev, sizeof(*rpi_domains->xlate.domains) * - RPI_POWER_DOMAIN_COUNT, GFP_KERNEL); + devm_kzalloc(dev, + array_size(RPI_POWER_DOMAIN_COUNT, sizeof(*rpi_domains->xlate.domains)), + GFP_KERNEL); if (!rpi_domains->xlate.domains) return -ENOMEM; diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c index d762a46d434f..be1e3a80260a 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -408,14 +408,16 @@ static struct scp *init_scp(struct platform_device *pdev, return ERR_CAST(scp->base); scp->domains = devm_kzalloc(&pdev->dev, - sizeof(*scp->domains) * num, GFP_KERNEL); + array_size(num, sizeof(*scp->domains)), + GFP_KERNEL); if (!scp->domains) return ERR_PTR(-ENOMEM); pd_data = &scp->pd_data; pd_data->domains = devm_kzalloc(&pdev->dev, - sizeof(*pd_data->domains) * num, GFP_KERNEL); + array_size(num, sizeof(*pd_data->domains)), + GFP_KERNEL); if (!pd_data->domains) return ERR_PTR(-ENOMEM); diff --git a/drivers/soc/ti/knav_qmss_acc.c b/drivers/soc/ti/knav_qmss_acc.c index 3d7225f4e77f..91a3511155d2 100644 --- a/drivers/soc/ti/knav_qmss_acc.c +++ b/drivers/soc/ti/knav_qmss_acc.c @@ -406,7 +406,8 @@ static int knav_acc_init_queue(struct knav_range_info *range, unsigned id = kq->id - range->queue_base; kq->descs = devm_kzalloc(range->kdev->dev, - ACC_DESCS_MAX * sizeof(u32), GFP_KERNEL); + array_size(ACC_DESCS_MAX, sizeof(u32)), + GFP_KERNEL); if (!kq->descs) return -ENOMEM; @@ -552,7 +553,8 @@ int knav_init_acc_range(struct knav_device *kdev, info->list_size = list_size; mem_size = PAGE_ALIGN(list_size * 2); info->mem_size = mem_size; - range->acc = devm_kzalloc(kdev->dev, channels * sizeof(*range->acc), + range->acc = devm_kzalloc(kdev->dev, + array_size(channels, sizeof(*range->acc)), GFP_KERNEL); if (!range->acc) return -ENOMEM; diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index 4797c57f4263..885d7e5a31e0 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -2135,7 +2135,8 @@ static int pl022_probe(struct amba_device *adev, const struct amba_id *id) pl022->master_info = platform_info; pl022->adev = adev; pl022->vendor = id->data; - pl022->chipselects = devm_kzalloc(dev, num_cs * sizeof(int), + pl022->chipselects = devm_kzalloc(dev, + array_size(num_cs, sizeof(int)), GFP_KERNEL); if (!pl022->chipselects) { status = -ENOMEM; diff --git a/drivers/staging/greybus/audio_topology.c b/drivers/staging/greybus/audio_topology.c index de4b1b2b12f3..1044e510af03 100644 --- a/drivers/staging/greybus/audio_topology.c +++ b/drivers/staging/greybus/audio_topology.c @@ -144,7 +144,8 @@ static const char **gb_generate_enum_strings(struct gbaudio_module_info *gb, __u8 *data; items = le32_to_cpu(gbenum->items); - strings = devm_kzalloc(gb->dev, sizeof(char *) * items, GFP_KERNEL); + strings = devm_kzalloc(gb->dev, array_size(items, sizeof(char *)), + GFP_KERNEL); data = gbenum->names; for (i = 0; i < items; i++) { diff --git a/drivers/staging/media/imx/imx-media-dev.c b/drivers/staging/media/imx/imx-media-dev.c index 289d775c4820..f2801e0c447c 100644 --- a/drivers/staging/media/imx/imx-media-dev.c +++ b/drivers/staging/media/imx/imx-media-dev.c @@ -544,7 +544,8 @@ static int imx_media_probe(struct platform_device *pdev) goto unreg_dev; } - subdevs = devm_kzalloc(imxmd->md.dev, sizeof(*subdevs) * num_subdevs, + subdevs = devm_kzalloc(imxmd->md.dev, + array_size(num_subdevs, sizeof(*subdevs)), GFP_KERNEL); if (!subdevs) { ret = -ENOMEM; diff --git a/drivers/thermal/thermal-generic-adc.c b/drivers/thermal/thermal-generic-adc.c index 46d3005335c7..e29724b1adf7 100644 --- a/drivers/thermal/thermal-generic-adc.c +++ b/drivers/thermal/thermal-generic-adc.c @@ -87,8 +87,9 @@ static int gadc_thermal_read_linear_lookup_table(struct device *dev, return -EINVAL; } - gti->lookup_table = devm_kzalloc(dev, sizeof(*gti->lookup_table) * - ntable, GFP_KERNEL); + gti->lookup_table = devm_kzalloc(dev, + array_size(ntable, sizeof(*gti->lookup_table)), + GFP_KERNEL); if (!gti->lookup_table) return -ENOMEM; diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index 939f057836e1..af3e3cc87493 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -374,7 +374,8 @@ static int lp855x_parse_dt(struct lp855x *lp) struct device_node *child; int i = 0; - rom = devm_kzalloc(dev, sizeof(*rom) * rom_length, GFP_KERNEL); + rom = devm_kzalloc(dev, array_size(rom_length, sizeof(*rom)), + GFP_KERNEL); if (!rom) return -ENOMEM; diff --git a/drivers/video/fbdev/au1100fb.c b/drivers/video/fbdev/au1100fb.c index 7c9a672e9811..27f99e380735 100644 --- a/drivers/video/fbdev/au1100fb.c +++ b/drivers/video/fbdev/au1100fb.c @@ -501,7 +501,8 @@ static int au1100fb_drv_probe(struct platform_device *dev) fbdev->info.fix = au1100fb_fix; fbdev->info.pseudo_palette = - devm_kzalloc(&dev->dev, sizeof(u32) * 16, GFP_KERNEL); + devm_kzalloc(&dev->dev, array_size(16, sizeof(u32)), + GFP_KERNEL); if (!fbdev->info.pseudo_palette) return -ENOMEM; diff --git a/drivers/video/fbdev/mxsfb.c b/drivers/video/fbdev/mxsfb.c index 246bea3a7d9b..21fc17081f59 100644 --- a/drivers/video/fbdev/mxsfb.c +++ b/drivers/video/fbdev/mxsfb.c @@ -931,7 +931,8 @@ static int mxsfb_probe(struct platform_device *pdev) if (IS_ERR(host->reg_lcd)) host->reg_lcd = NULL; - fb_info->pseudo_palette = devm_kzalloc(&pdev->dev, sizeof(u32) * 16, + fb_info->pseudo_palette = devm_kzalloc(&pdev->dev, + array_size(16, sizeof(u32)), GFP_KERNEL); if (!fb_info->pseudo_palette) { ret = -ENOMEM; diff --git a/drivers/video/fbdev/omap2/omapfb/vrfb.c b/drivers/video/fbdev/omap2/omapfb/vrfb.c index f346b02eee1d..c0b72e798074 100644 --- a/drivers/video/fbdev/omap2/omapfb/vrfb.c +++ b/drivers/video/fbdev/omap2/omapfb/vrfb.c @@ -360,8 +360,8 @@ static int __init vrfb_probe(struct platform_device *pdev) num_ctxs = pdev->num_resources - 1; ctxs = devm_kzalloc(&pdev->dev, - sizeof(struct vrfb_ctx) * num_ctxs, - GFP_KERNEL); + array_size(num_ctxs, sizeof(struct vrfb_ctx)), + GFP_KERNEL); if (!ctxs) return -ENOMEM; diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index bf779461df13..dfa11f47eda6 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -802,7 +802,8 @@ int get_valid_checkpoint(struct f2fs_sb_info *sbi) block_t cp_blk_no; int i; - sbi->ckpt = f2fs_kzalloc(sbi, cp_blks * blk_size, GFP_KERNEL); + sbi->ckpt = f2fs_kzalloc(sbi, array_size(blk_size, cp_blks), + GFP_KERNEL); if (!sbi->ckpt) return -ENOMEM; /* diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 5854cc4e1d67..ae06ab1c387c 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -3564,7 +3564,8 @@ static int build_curseg(struct f2fs_sb_info *sbi) struct curseg_info *array; int i; - array = f2fs_kzalloc(sbi, sizeof(*array) * NR_CURSEG_TYPE, GFP_KERNEL); + array = f2fs_kzalloc(sbi, array_size(NR_CURSEG_TYPE, sizeof(*array)), + GFP_KERNEL); if (!array) return -ENOMEM; diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 42d564c5ccd0..0cf47f3c149a 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2359,8 +2359,9 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) #define F2FS_REPORT_NR_ZONES 4096 - zones = f2fs_kzalloc(sbi, sizeof(struct blk_zone) * - F2FS_REPORT_NR_ZONES, GFP_KERNEL); + zones = f2fs_kzalloc(sbi, + array_size(F2FS_REPORT_NR_ZONES, sizeof(struct blk_zone)), + GFP_KERNEL); if (!zones) return -ENOMEM; @@ -2500,8 +2501,9 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi) * Initialize multiple devices information, or single * zoned block device information. */ - sbi->devs = f2fs_kzalloc(sbi, sizeof(struct f2fs_dev_info) * - max_devices, GFP_KERNEL); + sbi->devs = f2fs_kzalloc(sbi, + array_size(max_devices, sizeof(struct f2fs_dev_info)), + GFP_KERNEL); if (!sbi->devs) return -ENOMEM; @@ -2724,8 +2726,8 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) int j; sbi->write_io[i] = f2fs_kmalloc(sbi, - n * sizeof(struct f2fs_bio_info), - GFP_KERNEL); + array_size(n, sizeof(struct f2fs_bio_info)), + GFP_KERNEL); if (!sbi->write_io[i]) { err = -ENOMEM; goto free_options; diff --git a/sound/soc/au1x/dbdma2.c b/sound/soc/au1x/dbdma2.c index fb650659c3a3..2b182e65e131 100644 --- a/sound/soc/au1x/dbdma2.c +++ b/sound/soc/au1x/dbdma2.c @@ -340,7 +340,7 @@ static int au1xpsc_pcm_drvprobe(struct platform_device *pdev) struct au1xpsc_audio_dmadata *dmadata; dmadata = devm_kzalloc(&pdev->dev, - 2 * sizeof(struct au1xpsc_audio_dmadata), + array_size(2, sizeof(struct au1xpsc_audio_dmadata)), GFP_KERNEL); if (!dmadata) return -ENOMEM; diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c index 6fa11888672d..cc17643fbcad 100644 --- a/sound/soc/codecs/hdmi-codec.c +++ b/sound/soc/codecs/hdmi-codec.c @@ -771,7 +771,8 @@ static int hdmi_codec_probe(struct platform_device *pdev) hcp->hcd = *hcd; mutex_init(&hcp->current_stream_lock); - hcp->daidrv = devm_kzalloc(dev, dai_count * sizeof(*hcp->daidrv), + hcp->daidrv = devm_kzalloc(dev, + array_size(dai_count, sizeof(*hcp->daidrv)), GFP_KERNEL); if (!hcp->daidrv) return -ENOMEM; diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index bc8d829ce45b..3a76e6f6ba4f 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -3450,7 +3450,8 @@ static int rt5645_probe(struct snd_soc_component *component) component->card->long_name = rt5645->pdata.long_name; rt5645->eq_param = devm_kzalloc(component->dev, - RT5645_HWEQ_NUM * sizeof(struct rt5645_eq_param_s), GFP_KERNEL); + array_size(RT5645_HWEQ_NUM, sizeof(struct rt5645_eq_param_s)), + GFP_KERNEL); return 0; } diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index 1b6164249341..529aa693644b 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -296,8 +296,10 @@ static int asoc_graph_card_probe(struct platform_device *pdev) if (num == 0) return -EINVAL; - dai_props = devm_kzalloc(dev, sizeof(*dai_props) * num, GFP_KERNEL); - dai_link = devm_kzalloc(dev, sizeof(*dai_link) * num, GFP_KERNEL); + dai_props = devm_kzalloc(dev, array_size(num, sizeof(*dai_props)), + GFP_KERNEL); + dai_link = devm_kzalloc(dev, array_size(num, sizeof(*dai_link)), + GFP_KERNEL); if (!dai_props || !dai_link) return -ENOMEM; diff --git a/sound/soc/generic/audio-graph-scu-card.c b/sound/soc/generic/audio-graph-scu-card.c index a967aa143d51..e1f133563b6c 100644 --- a/sound/soc/generic/audio-graph-scu-card.c +++ b/sound/soc/generic/audio-graph-scu-card.c @@ -348,8 +348,10 @@ static int asoc_graph_card_probe(struct platform_device *pdev) if (num == 0) return -EINVAL; - dai_props = devm_kzalloc(dev, sizeof(*dai_props) * num, GFP_KERNEL); - dai_link = devm_kzalloc(dev, sizeof(*dai_link) * num, GFP_KERNEL); + dai_props = devm_kzalloc(dev, array_size(num, sizeof(*dai_props)), + GFP_KERNEL); + dai_link = devm_kzalloc(dev, array_size(num, sizeof(*dai_link)), + GFP_KERNEL); if (!dai_props || !dai_link) return -ENOMEM; diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 6959a74a6f49..c01a97ad724c 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -320,7 +320,8 @@ static int asoc_simple_card_parse_aux_devs(struct device_node *node, return -EINVAL; card->aux_dev = devm_kzalloc(dev, - n * sizeof(*card->aux_dev), GFP_KERNEL); + array_size(n, sizeof(*card->aux_dev)), + GFP_KERNEL); if (!card->aux_dev) return -ENOMEM; @@ -414,8 +415,10 @@ static int asoc_simple_card_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - dai_props = devm_kzalloc(dev, sizeof(*dai_props) * num, GFP_KERNEL); - dai_link = devm_kzalloc(dev, sizeof(*dai_link) * num, GFP_KERNEL); + dai_props = devm_kzalloc(dev, array_size(num, sizeof(*dai_props)), + GFP_KERNEL); + dai_link = devm_kzalloc(dev, array_size(num, sizeof(*dai_link)), + GFP_KERNEL); if (!dai_props || !dai_link) return -ENOMEM; diff --git a/sound/soc/generic/simple-scu-card.c b/sound/soc/generic/simple-scu-card.c index 48606c63562a..adad35b8c250 100644 --- a/sound/soc/generic/simple-scu-card.c +++ b/sound/soc/generic/simple-scu-card.c @@ -246,8 +246,10 @@ static int asoc_simple_card_probe(struct platform_device *pdev) num = of_get_child_count(np); - dai_props = devm_kzalloc(dev, sizeof(*dai_props) * num, GFP_KERNEL); - dai_link = devm_kzalloc(dev, sizeof(*dai_link) * num, GFP_KERNEL); + dai_props = devm_kzalloc(dev, array_size(num, sizeof(*dai_props)), + GFP_KERNEL); + dai_link = devm_kzalloc(dev, array_size(num, sizeof(*dai_link)), + GFP_KERNEL); if (!dai_props || !dai_link) return -ENOMEM; diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index 3b1dca419883..d67a08528fb0 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -2427,8 +2427,9 @@ static int skl_tplg_get_token(struct device *dev, case SKL_TKN_U8_DYN_IN_PIN: if (!mconfig->m_in_pin) - mconfig->m_in_pin = devm_kzalloc(dev, MAX_IN_QUEUE * - sizeof(*mconfig->m_in_pin), GFP_KERNEL); + mconfig->m_in_pin = devm_kzalloc(dev, + array_size(MAX_IN_QUEUE, sizeof(*mconfig->m_in_pin)), + GFP_KERNEL); if (!mconfig->m_in_pin) return -ENOMEM; @@ -2438,8 +2439,9 @@ static int skl_tplg_get_token(struct device *dev, case SKL_TKN_U8_DYN_OUT_PIN: if (!mconfig->m_out_pin) - mconfig->m_out_pin = devm_kzalloc(dev, MAX_IN_QUEUE * - sizeof(*mconfig->m_in_pin), GFP_KERNEL); + mconfig->m_out_pin = devm_kzalloc(dev, + array_size(MAX_IN_QUEUE, sizeof(*mconfig->m_in_pin)), + GFP_KERNEL); if (!mconfig->m_out_pin) return -ENOMEM; diff --git a/sound/soc/pxa/mmp-sspa.c b/sound/soc/pxa/mmp-sspa.c index 7c998ea4ebee..4ccbb72db83d 100644 --- a/sound/soc/pxa/mmp-sspa.c +++ b/sound/soc/pxa/mmp-sspa.c @@ -426,8 +426,8 @@ static int asoc_mmp_sspa_probe(struct platform_device *pdev) return -ENOMEM; priv->dma_params = devm_kzalloc(&pdev->dev, - 2 * sizeof(struct snd_dmaengine_dai_dma_data), - GFP_KERNEL); + array_size(2, sizeof(struct snd_dmaengine_dai_dma_data)), + GFP_KERNEL); if (priv->dma_params == NULL) return -ENOMEM; diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c index 9a10181a0811..af35991314b9 100644 --- a/sound/soc/rockchip/rk3399_gru_sound.c +++ b/sound/soc/rockchip/rk3399_gru_sound.c @@ -506,7 +506,7 @@ static int rockchip_sound_of_parse_dais(struct device *dev, num_routes = 0; for (i = 0; i < ARRAY_SIZE(rockchip_routes); i++) num_routes += rockchip_routes[i].num_routes; - routes = devm_kzalloc(dev, num_routes * sizeof(*routes), + routes = devm_kzalloc(dev, array_size(num_routes, sizeof(*routes)), GFP_KERNEL); if (!routes) return -ENOMEM; diff --git a/sound/soc/sh/rcar/cmd.c b/sound/soc/sh/rcar/cmd.c index f1d4fb566892..a676fa246519 100644 --- a/sound/soc/sh/rcar/cmd.c +++ b/sound/soc/sh/rcar/cmd.c @@ -156,7 +156,7 @@ int rsnd_cmd_probe(struct rsnd_priv *priv) if (!nr) return 0; - cmd = devm_kzalloc(dev, sizeof(*cmd) * nr, GFP_KERNEL); + cmd = devm_kzalloc(dev, array_size(nr, sizeof(*cmd)), GFP_KERNEL); if (!cmd) return -ENOMEM; diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index 94f081b93258..6eba3e83a29e 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -1110,8 +1110,8 @@ static int rsnd_dai_probe(struct rsnd_priv *priv) if (!nr) return -EINVAL; - rdrv = devm_kzalloc(dev, sizeof(*rdrv) * nr, GFP_KERNEL); - rdai = devm_kzalloc(dev, sizeof(*rdai) * nr, GFP_KERNEL); + rdrv = devm_kzalloc(dev, array_size(nr, sizeof(*rdrv)), GFP_KERNEL); + rdai = devm_kzalloc(dev, array_size(nr, sizeof(*rdai)), GFP_KERNEL); if (!rdrv || !rdai) return -ENOMEM; diff --git a/sound/soc/sh/rcar/ctu.c b/sound/soc/sh/rcar/ctu.c index d201d551866d..4cea8f278136 100644 --- a/sound/soc/sh/rcar/ctu.c +++ b/sound/soc/sh/rcar/ctu.c @@ -378,7 +378,7 @@ int rsnd_ctu_probe(struct rsnd_priv *priv) goto rsnd_ctu_probe_done; } - ctu = devm_kzalloc(dev, sizeof(*ctu) * nr, GFP_KERNEL); + ctu = devm_kzalloc(dev, array_size(nr, sizeof(*ctu)), GFP_KERNEL); if (!ctu) { ret = -ENOMEM; goto rsnd_ctu_probe_done; diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c index dbe54f024d68..e97e46a6c32d 100644 --- a/sound/soc/sh/rcar/dvc.c +++ b/sound/soc/sh/rcar/dvc.c @@ -344,7 +344,8 @@ int rsnd_dvc_probe(struct rsnd_priv *priv) goto rsnd_dvc_probe_done; } - dvc = devm_kzalloc(dev, sizeof(*dvc) * nr, GFP_KERNEL); + dvc = devm_kzalloc(dev, array_size(nr, sizeof(*dvc)), + GFP_KERNEL); if (!dvc) { ret = -ENOMEM; goto rsnd_dvc_probe_done; diff --git a/sound/soc/sh/rcar/mix.c b/sound/soc/sh/rcar/mix.c index 7998380766f6..387f2a2ca6e0 100644 --- a/sound/soc/sh/rcar/mix.c +++ b/sound/soc/sh/rcar/mix.c @@ -294,7 +294,8 @@ int rsnd_mix_probe(struct rsnd_priv *priv) goto rsnd_mix_probe_done; } - mix = devm_kzalloc(dev, sizeof(*mix) * nr, GFP_KERNEL); + mix = devm_kzalloc(dev, array_size(nr, sizeof(*mix)), + GFP_KERNEL); if (!mix) { ret = -ENOMEM; goto rsnd_mix_probe_done; diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c index a727e71587b6..651a6d7c677f 100644 --- a/sound/soc/sh/rcar/src.c +++ b/sound/soc/sh/rcar/src.c @@ -575,7 +575,8 @@ int rsnd_src_probe(struct rsnd_priv *priv) goto rsnd_src_probe_done; } - src = devm_kzalloc(dev, sizeof(*src) * nr, GFP_KERNEL); + src = devm_kzalloc(dev, array_size(nr, sizeof(*src)), + GFP_KERNEL); if (!src) { ret = -ENOMEM; goto rsnd_src_probe_done; diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index 333b802681ad..46532f538d59 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -1109,7 +1109,8 @@ int rsnd_ssi_probe(struct rsnd_priv *priv) goto rsnd_ssi_probe_done; } - ssi = devm_kzalloc(dev, sizeof(*ssi) * nr, GFP_KERNEL); + ssi = devm_kzalloc(dev, array_size(nr, sizeof(*ssi)), + GFP_KERNEL); if (!ssi) { ret = -ENOMEM; goto rsnd_ssi_probe_done; diff --git a/sound/soc/sh/rcar/ssiu.c b/sound/soc/sh/rcar/ssiu.c index 6ff8a36c2c82..8c3d2d369ac4 100644 --- a/sound/soc/sh/rcar/ssiu.c +++ b/sound/soc/sh/rcar/ssiu.c @@ -258,7 +258,8 @@ int rsnd_ssiu_probe(struct rsnd_priv *priv) /* same number to SSI */ nr = priv->ssi_nr; - ssiu = devm_kzalloc(dev, sizeof(*ssiu) * nr, GFP_KERNEL); + ssiu = devm_kzalloc(dev, array_size(nr, sizeof(*ssiu)), + GFP_KERNEL); if (!ssiu) return -ENOMEM; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index ae5d7f515697..fd447baef465 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -4085,7 +4085,8 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, return -EINVAL; } - routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), + routes = devm_kzalloc(card->dev, + array_size(num_routes, sizeof(*routes)), GFP_KERNEL); if (!routes) { dev_err(card->dev, @@ -4410,7 +4411,7 @@ int snd_soc_of_get_dai_link_codecs(struct device *dev, return num_codecs; } component = devm_kzalloc(dev, - sizeof *component * num_codecs, + array_size(num_codecs, sizeof(*component)), GFP_KERNEL); if (!component) return -ENOMEM; -- 2.17.0