Commit d6cd978f authored by Zhouyi Zhou's avatar Zhouyi Zhou Committed by Helge Deller
Browse files

video: fbdev: fbmem: fix pointer reference to null device field 



In function do_remove_conflicting_framebuffers, if device is NULL, there
will be null pointer reference. The patch add a check to the if expression.

Signed-off-by: default avatarZhouyi Zhou <zhouzhouyi@gmail.com>
Acked-by: default avatarPaul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: default avatarHelge Deller <deller@gmx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220210065824.368355-1-zhouzhouyi@gmail.com
parent 16a54d4e

drivers/video/fbdev/core/fbmem.c

+1 −1
Original line number Diff line number Diff line
@@ -1579,7 +1579,7 @@ static void do_remove_conflicting_framebuffers(struct apertures_struct *a, 
			 * If it's not a platform device, at least print a warning. A

			 * fix would add code to remove the device from the system.

			 */

			if (dev_is_platform(device)) {

			if (device && dev_is_platform(device)) {

				registered_fb[i]->forced_out = true;

				platform_device_unregister(to_platform_device(device));

			} else {