diff options
Diffstat (limited to 'drivers/dma/mcf-edma.c')
-rw-r--r-- | drivers/dma/mcf-edma.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/dma/mcf-edma.c b/drivers/dma/mcf-edma.c index e15bd15a9ef6..e12b754e6398 100644 --- a/drivers/dma/mcf-edma.c +++ b/drivers/dma/mcf-edma.c @@ -35,6 +35,13 @@ static irqreturn_t mcf_edma_tx_handler(int irq, void *dev_id) mcf_chan = &mcf_edma->chans[ch]; spin_lock(&mcf_chan->vchan.lock); + + if (!mcf_chan->edesc) { + /* terminate_all called before */ + spin_unlock(&mcf_chan->vchan.lock); + continue; + } + if (!mcf_chan->edesc->iscyclic) { list_del(&mcf_chan->edesc->vdesc.node); vchan_cookie_complete(&mcf_chan->edesc->vdesc); |