drm: omapdrm: Add missing check for alloc_ordered_workqueue
authorMa Ke <make24@iscas.ac.cn>
Thu, 8 Aug 2024 06:13:36 +0000 (14:13 +0800)
committerTomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Mon, 26 Aug 2024 09:47:04 +0000 (12:47 +0300)
commite794b7b9b92977365c693760a259f8eef940c536
treebc417d7c3bdfe75c3722b1aa9480c4b1f0d7af5d
parent6729c73103bd7a0e60b0c980b51b5434010b4502
drm: omapdrm: Add missing check for alloc_ordered_workqueue

As it may return NULL pointer and cause NULL pointer dereference. Add check
for the return value of alloc_ordered_workqueue.

Cc: stable@vger.kernel.org
Fixes: 2f95bc6d324a ("drm: omapdrm: Perform initialization/cleanup at probe/remove time")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240808061336.2796729-1-make24@iscas.ac.cn
drivers/gpu/drm/omapdrm/omap_drv.c