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From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Mon, 31 Jan 2022 18:26:56 +0200
Message-ID: <CAHp75VcQ=BRkVb3QT0brAO7P_L47tyaymfkM-syOPDMAKG5R3A@mail.gmail.com>
Subject: Re: [PATCH v4 1/9] brcmfmac: pcie: Release firmwares in the
 brcmf_pcie_setup error path
To:     Hector Martin <marcan@marcan.st>
Cc:     Kalle Valo <kvalo@codeaurora.org>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Len Brown <lenb@kernel.org>,
        Arend van Spriel <aspriel@gmail.com>,
        Franky Lin <franky.lin@broadcom.com>,
        Hante Meuleman <hante.meuleman@broadcom.com>,
        Wright Feng <wright.feng@infineon.com>,
        Dmitry Osipenko <digetx@gmail.com>,
        Sven Peter <sven@svenpeter.dev>,
        Alyssa Rosenzweig <alyssa@rosenzweig.io>,
        Mark Kettenis <kettenis@openbsd.org>,
        =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= <zajec5@gmail.com>,
        Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Hans de Goede <hdegoede@redhat.com>,
        "John W. Linville" <linville@tuxdriver.com>,
        "brian m. carlson" <sandals@crustytoothpaste.net>,
        "open list:TI WILINK WIRELES..." <linux-wireless@vger.kernel.org>,
        netdev <netdev@vger.kernel.org>,
        devicetree <devicetree@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
        "open list:BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER" 
        <brcm80211-dev-list.pdl@broadcom.com>,
        SHA-cyfmac-dev-list@infineon.com,
        Arend van Spriel <arend.vanspriel@broadcom.com>,
        Stable <stable@vger.kernel.org>
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On Mon, Jan 31, 2022 at 6:07 PM Hector Martin <marcan@marcan.st> wrote:
>
> This avoids leaking memory if brcmf_chip_get_raminfo fails. Note that
> the CLM blob is released in the device remove path.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>


> Fixes: 82f93cf46d60 ("brcmfmac: get chip's default RAM info during PCIe setup")
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
> Cc: stable@vger.kernel.org
> Signed-off-by: Hector Martin <marcan@marcan.st>
> ---
>  drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
> index 8b149996fc00..f876b1d8d00d 100644
> --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
> @@ -1777,6 +1777,8 @@ static void brcmf_pcie_setup(struct device *dev, int ret,
>         ret = brcmf_chip_get_raminfo(devinfo->ci);
>         if (ret) {
>                 brcmf_err(bus, "Failed to get RAM info\n");
> +               release_firmware(fw);
> +               brcmf_fw_nvram_free(nvram);
>                 goto fail;
>         }
>
> --
> 2.33.0
>


-- 
With Best Regards,
Andy Shevchenko