dmaengine: s3c24xx: missing unlock on an error path
We should unlock here before returning -EINVAL.
Fixes: 39ad46009654 ('dmaengine: s3c24xx: Split device_control')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dma/s3c24xx-dma.c b/drivers/dma/s3c24xx-dma.c
index 4d5a848..2f91da3 100644
--- a/drivers/dma/s3c24xx-dma.c
+++ b/drivers/dma/s3c24xx-dma.c
@@ -718,13 +718,15 @@
struct s3c24xx_dma_chan *s3cchan = to_s3c24xx_dma_chan(chan);
struct s3c24xx_dma_engine *s3cdma = s3cchan->host;
unsigned long flags;
+ int ret = 0;
spin_lock_irqsave(&s3cchan->vc.lock, flags);
if (!s3cchan->phy && !s3cchan->at) {
dev_err(&s3cdma->pdev->dev, "trying to terminate already stopped channel %d\n",
s3cchan->id);
- return -EINVAL;
+ ret = -EINVAL;
+ goto unlock;
}
s3cchan->state = S3C24XX_DMA_CHAN_IDLE;
@@ -741,10 +743,10 @@
/* Dequeue jobs not yet fired as well */
s3c24xx_dma_free_txd_list(s3cdma, s3cchan);
-
+unlock:
spin_unlock_irqrestore(&s3cchan->vc.lock, flags);
- return 0;
+ return ret;
}
static int s3c24xx_dma_alloc_chan_resources(struct dma_chan *chan)