diff mbox series

video: fbdev: Check for null res pointer

Message ID 20211220063418.793624-1-jiasheng@iscas.ac.cn
State New
Headers show
Series video: fbdev: Check for null res pointer | expand

Commit Message

Jiasheng Jiang Dec. 20, 2021, 6:34 a.m. UTC 
The return value of platform_get_resource() needs to be checked.
To avoid use of error pointer in case of the failure of alloc.

Fixes: f7018c213502 ("video: move fbdev to drivers/video/fbdev")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
---
 drivers/video/fbdev/imxfb.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c
index ad598257ab38..68288756ffff 100644
--- a/drivers/video/fbdev/imxfb.c
+++ b/drivers/video/fbdev/imxfb.c
@@ -1083,6 +1083,8 @@  static int imxfb_remove(struct platform_device *pdev)
 	struct resource *res;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -EINVAL;
 
 	imxfb_disable_controller(fbi);