From: Wei Yongjun <yongjun_...@trendmicro.com.cn>
Add the missing unlock on the error handling path in function
imxdma_xfer_desc().
Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn>
---
drivers/dma/imx-dma.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index f11b5b2..7d9554c 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -474,8 +474,10 @@ static int imxdma_xfer_desc(struct imxdma_desc *d)
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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