dmaengine: imx-dma: fix missing unlock on error in imxdma_xfer_desc()
commit 720dfd250e48a8c7fd1b2b8645955413989c4ee0 upstream.
Add the missing unlock on the error handling path in function
imxdma_xfer_desc().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index bb787d8..180f523 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -473,8 +473,10 @@
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;