diff mbox series

[5/8] media: platform: mediatek: vpu: fix NULL ptr dereference

Message ID 20230524121150.435736-6-hverkuil-cisco@xs4all.nl
State Accepted
Commit 3df55cd773e8603b623425cc97b05e542854ad27
Headers show
Series [1/8] staging: media: atomisp: initialize settings to 0 | expand

Commit Message

Hans Verkuil May 24, 2023, 12:11 p.m. UTC
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@xs4all.nl>
Cc: Yunfei Dong <yunfei.dong@mediatek.com>
---
 drivers/media/platform/mediatek/vpu/mtk_vpu.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/platform/mediatek/vpu/mtk_vpu.c b/drivers/media/platform/mediatek/vpu/mtk_vpu.c
index 5e2bc286f168..1a95958a1f90 100644
--- a/drivers/media/platform/mediatek/vpu/mtk_vpu.c
+++ b/drivers/media/platform/mediatek/vpu/mtk_vpu.c
@@ -562,15 +562,17 @@  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;