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[media] mx2_camera: fix missing unlock on error in mx2_start_streaming()

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Add the missing unlock on the error handle path in function
mx2_start_streaming().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Wei Yongjun 2012-10-22 02:27:28 -03:00 committed by Mauro Carvalho Chehab
parent 6a3082adc8
commit f1ccccaf23
1 changed files with 6 additions and 2 deletions
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8
drivers/media/platform/soc_camera/mx2_camera.c
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@ -864,8 +864,10 @@ static int mx2_start_streaming(struct vb2_queue *q, unsigned int count)
bytesperline = soc_mbus_bytes_per_line(icd->user_width,
icd->current_fmt->host_fmt);
if (bytesperline < 0)
if (bytesperline < 0) {
spin_unlock_irqrestore(&pcdev->lock, flags);
return bytesperline;
}
/*
* I didn't manage to properly enable/disable the prp
@ -878,8 +880,10 @@ static int mx2_start_streaming(struct vb2_queue *q, unsigned int count)
pcdev->discard_buffer = dma_alloc_coherent(ici->v4l2_dev.dev,
pcdev->discard_size, &pcdev->discard_buffer_dma,
GFP_KERNEL);
if (!pcdev->discard_buffer)
if (!pcdev->discard_buffer) {
spin_unlock_irqrestore(&pcdev->lock, flags);
return -ENOMEM;
}
pcdev->buf_discard[0].discard = true;
list_add_tail(&pcdev->buf_discard[0].queue,