[media] mx2_camera: fix missing unlock on error in mx2_start_streaming()
Commit Message
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Add the missing unlock on the error handle path in function
mx2_start_streaming().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
drivers/media/platform/soc_camera/mx2_camera.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
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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,