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media: bdisp: Add missing check for create_workqueue

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[ Upstream commit 2371adeab717d8fe32144a84f3491a03c5838cfb ]

Add the check for the return value of the create_workqueue
in order to avoid NULL pointer dereference.

Fixes: 28ffeebbb7 ("[media] bdisp: 2D blitter driver using v4l2 mem2mem framework")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang 2023-02-08 08:14:42 +01:00 committed by Greg Kroah-Hartman
parent ba8ffb1251
commit c2e5548173
1 changed files with 2 additions and 0 deletions
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2
drivers/media/platform/st/sti/bdisp/bdisp-v4l2.c
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@ -1309,6 +1309,8 @@ static int bdisp_probe(struct platform_device *pdev)
init_waitqueue_head(&bdisp->irq_queue);
INIT_DELAYED_WORK(&bdisp->timeout_work, bdisp_irq_timeout);
bdisp->work_queue = create_workqueue(BDISP_NAME);
if (!bdisp->work_queue)
return -ENOMEM;
spin_lock_init(&bdisp->slock);
mutex_init(&bdisp->lock);