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| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2021-12-15 08:21:57 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-08 15:23:13 +0300 |
| commit | 0022dc8cafa5fcd156da8ae7bfc9ca99497bdffc (patch) | |
| tree | 51b622bbb25f48d0aa40d674101ae6c1f05f0036 /drivers/media | |
| parent | 48d00e24822e4384edcee3aae03d54c1b7982eba (diff) | |
| download | linux-0022dc8cafa5fcd156da8ae7bfc9ca99497bdffc.tar.xz | |
media: mtk-vcodec: potential dereference of null pointer
[ Upstream commit e25a89f743b18c029bfbe5e1663ae0c7190912b0 ]
The return value of devm_kzalloc() needs to be checked.
To avoid use of null pointer in case of thefailure of alloc.
Fixes: 46233e91fa24 ("media: mtk-vcodec: move firmware implementations into their own files")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Tzung-Bi Shih <tzungbi@google.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c index cd27f637dbe7..cfc7ebed8fb7 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c @@ -102,6 +102,8 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_vpu_init(struct mtk_vcodec_dev *dev, vpu_wdt_reg_handler(fw_pdev, mtk_vcodec_vpu_reset_handler, dev, rst_id); fw = devm_kzalloc(&dev->plat_dev->dev, sizeof(*fw), GFP_KERNEL); + if (!fw) + return ERR_PTR(-ENOMEM); fw->type = VPU; fw->ops = &mtk_vcodec_vpu_msg; fw->pdev = fw_pdev; |