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video: fbdev: imxfb: Check for null res pointer

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The return value of platform_get_resource() needs to be checked.
To avoid use of error pointer in case that there is no suitable resource.

Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Jiasheng Jiang 2021-12-20 16:11:32 +08:00 committed by Helge Deller
parent 0cd129de3e
commit 9d54c5d474
1 changed files with 2 additions and 0 deletions
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2
drivers/video/fbdev/imxfb.c
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@ -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);