drm: virtio: fix kmem_cache_alloc error check
authorGerd Hoffmann <kraxel@redhat.com>
Mon, 13 Mar 2017 08:22:26 +0000 (09:22 +0100)
committerGerd Hoffmann <kraxel@redhat.com>
Tue, 14 Mar 2017 10:54:19 +0000 (11:54 +0100)
commit43c27940227039223abbb5107a2eb3d799c8a2ec
tree440196d5e86b1ee5a4a41aba8ae989291baf6e09
parent265ffed739d313bd876c8faa9be15d3a101b8175
drm: virtio: fix kmem_cache_alloc error check

kmem_cache_alloc returns NULL on error, not ERR_PTR.

Fixes: f5985bf9cadd4e3ed8d5d9a9cbbb2e39cdb81cd9
Reported-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1489393346-13874-1-git-send-email-kraxel@redhat.com
drivers/gpu/drm/virtio/virtgpu_vq.c