mirror of https://gitee.com/openkylin/linux.git
V4L/DVB (5073): Fix OOPS on some waitqueue conditions
If for some reason vivi_thread() fails, vivi will suffer an OOPS at thread stop code, since waitqueue wouldn't be properly initializated. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -538,7 +538,6 @@ static int vivi_start_thread(struct vivi_dmaqueue *dma_q)
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dma_q->ini_jiffies=jiffies;
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dprintk(1,"%s\n",__FUNCTION__);
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init_waitqueue_head(&dma_q->wq);
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dma_q->kthread = kthread_run(vivi_thread, dma_q, "vivi");
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@ -1352,6 +1351,7 @@ static int __init vivi_init(void)
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/* init video dma queues */
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INIT_LIST_HEAD(&dev->vidq.active);
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INIT_LIST_HEAD(&dev->vidq.queued);
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init_waitqueue_head(&dev->vidq.wq);
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/* initialize locks */
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init_MUTEX(&dev->lock);
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