3.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Wei Yongjun <yongjun_...@trendmicro.com.cn>
commit 720dfd250e48a8c7fd1b2b8645955413989c4ee0 upstream.
Add the missing unlock on the error handling path in function
imxdma_xfer_desc().
Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn>
Signed-off-by: Vinod Koul <vinod.k...@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/dma/imx-dma.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -474,8 +474,10 @@ static int imxdma_xfer_desc(struct imxdm
slot = i;
break;
}
- if (slot < 0)
+ if (slot < 0) {
+ spin_unlock_irqrestore(&imxdma->lock, flags);
return -EBUSY;
+ }
imxdma->slots_2d[slot].xsr = d->x;
imxdma->slots_2d[slot].ysr = d->y;
--
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