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SubjectRe: [PATCH] media: mtk-vcodec: potential dereference of null pointer
On Wed, Dec 15, 2021 at 11:28:34AM +0800, Jiasheng Jiang wrote:
> 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..769228093e48 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(-EINVAL);

It should return -ENOMEM for the case.

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