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media: bdisp: Add missing check for create_workqueue
[ Upstream commit2371adeab7
] 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>
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1 changed files with 2 additions and 0 deletions
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@ -1312,6 +1312,8 @@ static int bdisp_probe(struct platform_device *pdev)
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init_waitqueue_head(&bdisp->irq_queue);
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INIT_DELAYED_WORK(&bdisp->timeout_work, bdisp_irq_timeout);
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bdisp->work_queue = create_workqueue(BDISP_NAME);
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if (!bdisp->work_queue)
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return -ENOMEM;
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spin_lock_init(&bdisp->slock);
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mutex_init(&bdisp->lock);
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