[PATCH v2] video: fbdev: Check for null res pointer

[Jiasheng Jiang]

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.

Fixes: f7018c213502 ("video: move fbdev to drivers/video/fbdev")
Signed-off-by: Jiasheng Jiang <jiasheng at iscas.ac.cn>
---
Changelog:

v1 -> v2

*Change 1. Correct the commit message.
---
 drivers/video/fbdev/imxfb.c | 2 ++
 1 file changed, 2 insertions(+)

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);
 
-- 
2.25.1