Linux kernel bug fix: drm/fb-helper: only unmap if buffer not null
Subsystem: gpu (drivers/gpu/drm/drm_fb_helper.c)
Bug type: hang, severity: medium
Files changed: drivers/gpu/drm/drm_fb_helper.c
Introduced by Thomas Zimmermann on 2020-11-24 09:27:47 +0100; fixed by Tong Zhang on 2021-03-11 11:08:14 +0100 (lifetime: 107 days)