Messages in this thread Patch in this message | | | Date | Sun, 21 Oct 2012 19:58:30 +0800 | Subject | [PATCH] dmaengine: imx-dma: fix missing unlock on error in imxdma_xfer_desc() | From | Wei Yongjun <> |
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From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Add the missing unlock on the error handling path in function imxdma_xfer_desc().
Signed-off-by: Wei Yongjun <yongjun_wei@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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