[PATCH] video: fbdev: Check for null res pointer
From: Jiasheng Jiang <hidden>
Date: 2021-12-20 06:34:55
Also in:
dri-devel, linux-arm-kernel, lkml
Subsystem:
framebuffer layer, freescale imx / mxc framebuffer driver, the rest · Maintainers:
Helge Deller, Sascha Hauer, Linus Torvalds
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 <redacted>
---
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