diff options
| -rw-r--r-- | drivers/dma/altera-msgdma.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/dma/altera-msgdma.c b/drivers/dma/altera-msgdma.c index 160a465b06dd..f32453c97dac 100644 --- a/drivers/dma/altera-msgdma.c +++ b/drivers/dma/altera-msgdma.c @@ -585,6 +585,8 @@ static void msgdma_chan_desc_cleanup(struct msgdma_device *mdev) struct msgdma_sw_desc *desc, *next; unsigned long irqflags; + spin_lock_irqsave(&mdev->lock, irqflags); + list_for_each_entry_safe(desc, next, &mdev->done_list, node) { struct dmaengine_desc_callback cb; @@ -600,6 +602,8 @@ static void msgdma_chan_desc_cleanup(struct msgdma_device *mdev) /* Run any dependencies, then free the descriptor */ msgdma_free_descriptor(mdev, desc); } + + spin_unlock_irqrestore(&mdev->lock, irqflags); } /** @@ -714,10 +718,11 @@ static void msgdma_tasklet(struct tasklet_struct *t) } msgdma_complete_descriptor(mdev); - msgdma_chan_desc_cleanup(mdev); } spin_unlock_irqrestore(&mdev->lock, flags); + + msgdma_chan_desc_cleanup(mdev); } /** |