diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/mmp_pdma.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index b061e269672..3c2ad72a162 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -220,7 +220,7 @@ static struct mmp_pdma_phy *lookup_phy(struct mmp_pdma_chan *pchan) { int prio, i; struct mmp_pdma_device *pdev = to_mmp_pdma_dev(pchan->chan.device); - struct mmp_pdma_phy *phy; + struct mmp_pdma_phy *phy, *found = NULL; unsigned long flags; /* @@ -239,14 +239,15 @@ static struct mmp_pdma_phy *lookup_phy(struct mmp_pdma_chan *pchan) phy = &pdev->phy[i]; if (!phy->vchan) { phy->vchan = pchan; - spin_unlock_irqrestore(&pdev->phy_lock, flags); - return phy; + found = phy; + goto out_unlock; } } } +out_unlock: spin_unlock_irqrestore(&pdev->phy_lock, flags); - return NULL; + return found; } static void mmp_pdma_free_phy(struct mmp_pdma_chan *pchan) |