5.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
[ Upstream commit 3df55cd773e8603b623425cc97b05e542854ad27 ]
If pdev is NULL, then it is still dereferenced.
This fixes this smatch warning:
drivers/media/platform/mediatek/vpu/mtk_vpu.c:570 vpu_load_firmware() warn: address of NULL pointer 'pdev'
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Cc: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/media/platform/mtk-vpu/mtk_vpu.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/mtk-vpu/mtk_vpu.c b/drivers/media/platform/mtk-vpu/mtk_vpu.c
index acf64723f9381..650e198a270e4 100644
--- a/drivers/media/platform/mtk-vpu/mtk_vpu.c
+++ b/drivers/media/platform/mtk-vpu/mtk_vpu.c
@@ -529,15 +529,17 @@ static int load_requested_vpu(struct mtk_vpu *vpu,
int vpu_load_firmware(struct platform_device *pdev)
{
struct mtk_vpu *vpu;
- struct device *dev = &pdev->dev;
+ struct device *dev;
struct vpu_run *run;
int ret;
if (!pdev) {
- dev_err(dev, "VPU platform device is invalid\n");
+ pr_err("VPU platform device is invalid\n");
return -EINVAL;
}
+ dev = &pdev->dev;
+
vpu = platform_get_drvdata(pdev);
run = &vpu->run;
--
2.40.1
