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Petersen" , Sasha Levin , jejb@linux.ibm.com, linux-scsi@vger.kernel.org Subject: [PATCH AUTOSEL 5.16 41/52] scsi: sr: Don't use GFP_DMA Date: Mon, 17 Jan 2022 11:58:42 -0500 Message-Id: <20220117165853.1470420-41-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220117165853.1470420-1-sashal@kernel.org> References: <20220117165853.1470420-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Christoph Hellwig [ Upstream commit d94d94969a4ba07a43d62429c60372320519c391 ] The allocated buffers are used as a command payload, for which the block layer and/or DMA API do the proper bounce buffering if needed. Link: https://lore.kernel.org/r/20211222090842.920724-1-hch@lst.de Reported-by: Baoquan He Reviewed-by: Baoquan He Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/sr.c | 2 +- drivers/scsi/sr_vendor.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 8e4af111c0787..f5a2eed543452 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -856,7 +856,7 @@ static void get_capabilities(struct scsi_cd *cd) /* allocate transfer buffer */ - buffer = kmalloc(512, GFP_KERNEL | GFP_DMA); + buffer = kmalloc(512, GFP_KERNEL); if (!buffer) { sr_printk(KERN_ERR, cd, "out of memory.\n"); return; diff --git a/drivers/scsi/sr_vendor.c b/drivers/scsi/sr_vendor.c index 1f988a1b9166f..a61635326ae0a 100644 --- a/drivers/scsi/sr_vendor.c +++ b/drivers/scsi/sr_vendor.c @@ -131,7 +131,7 @@ int sr_set_blocklength(Scsi_CD *cd, int blocklength) if (cd->vendor == VENDOR_TOSHIBA) density = (blocklength > 2048) ? 0x81 : 0x83; - buffer = kmalloc(512, GFP_KERNEL | GFP_DMA); + buffer = kmalloc(512, GFP_KERNEL); if (!buffer) return -ENOMEM; @@ -179,7 +179,7 @@ int sr_cd_check(struct cdrom_device_info *cdi) if (cd->cdi.mask & CDC_MULTI_SESSION) return 0; - buffer = kmalloc(512, GFP_KERNEL | GFP_DMA); + buffer = kmalloc(512, GFP_KERNEL); if (!buffer) return -ENOMEM; -- 2.34.1