| Message ID | 20211220063418.793624-1-jiasheng@iscas.ac.cn (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Headers | show |
| Series | video: fbdev: Check for null res pointer | expand |
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);
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(+)