Linux kernel bug fix: drm/vc4: copy_to_user() returns the number of bytes remaining
Subsystem: gpu (drivers/gpu/drm/vc4/vc4_gem.c)
Bug type: hang, severity: medium
Files changed: drivers/gpu/drm/vc4/vc4_gem.c
Introduced by Eric Anholt on 2015-12-07 20:49:49 -0800; fixed by Dan Carpenter on 2015-12-17 11:40:11 -0800 (lifetime: 9 days)