diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/at_xdmac.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 3d6e84def7a6..8fb01bc90ba7 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -1820,22 +1820,17 @@ static int at_xdmac_alloc_chan_resources(struct dma_chan *chan) struct at_xdmac_chan *atchan = to_at_xdmac_chan(chan); struct at_xdmac_desc *desc; int i; - unsigned long flags; - - spin_lock_irqsave(&atchan->lock, flags); if (at_xdmac_chan_is_enabled(atchan)) { dev_err(chan2dev(chan), "can't allocate channel resources (channel enabled)\n"); - i = -EIO; - goto spin_unlock; + return -EIO; } if (!list_empty(&atchan->free_descs_list)) { dev_err(chan2dev(chan), "can't allocate channel resources (channel not free from a previous use)\n"); - i = -EIO; - goto spin_unlock; + return -EIO; } for (i = 0; i < init_nr_desc_per_channel; i++) { @@ -1852,8 +1847,6 @@ static int at_xdmac_alloc_chan_resources(struct dma_chan *chan) dev_dbg(chan2dev(chan), "%s: allocated %d descriptors\n", __func__, i); -spin_unlock: - spin_unlock_irqrestore(&atchan->lock, flags); return i; } |