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Diffstat (limited to 'drivers/dma/virt-dma.c')
| -rw-r--r-- | drivers/dma/virt-dma.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/virt-dma.c b/drivers/dma/virt-dma.c index ec4adf4260a0..660267ca5e42 100644 --- a/drivers/dma/virt-dma.c +++ b/drivers/dma/virt-dma.c @@ -116,7 +116,11 @@ void vchan_dma_desc_free_list(struct virt_dma_chan *vc, struct list_head *head) list_for_each_entry_safe(vd, _vd, head, node) { if (dmaengine_desc_test_reuse(&vd->tx)) { + unsigned long flags; + + spin_lock_irqsave(&vc->lock, flags); list_move_tail(&vd->node, &vc->desc_allocated); + spin_unlock_irqrestore(&vc->lock, flags); } else { dev_dbg(vc->chan.device->dev, "txd %p: freeing\n", vd); list_del(&vd->node); |