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authorDavid S. Miller <davem@davemloft.net>2009-10-07 22:15:23 -0700
committerDavid S. Miller <davem@davemloft.net>2009-10-07 22:15:23 -0700
commit879e9304134bb6214fb52377ac1e01e1910f4916 (patch)
treef3ae00c87efaeba67a5143eae8555f08f8152902
parentd308e38fa5467fbb523fc13e4b984375c2198c3d (diff)
znet: Don't claim DMA lock around free_dma() calls.
It's not necessary and it's illegal too. Reported-by: Alexander Strakh <strakh@ispras.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/znet.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/net/znet.c b/drivers/net/znet.c
index a0384b6..b423473 100644
--- a/drivers/net/znet.c
+++ b/drivers/net/znet.c
@@ -169,7 +169,6 @@ static void znet_tx_timeout (struct net_device *dev);
static int znet_request_resources (struct net_device *dev)
{
struct znet_private *znet = netdev_priv(dev);
- unsigned long flags;
if (request_irq (dev->irq, &znet_interrupt, 0, "ZNet", dev))
goto failed;
@@ -187,13 +186,9 @@ static int znet_request_resources (struct net_device *dev)
free_sia:
release_region (znet->sia_base, znet->sia_size);
free_tx_dma:
- flags = claim_dma_lock();
free_dma (znet->tx_dma);
- release_dma_lock (flags);
free_rx_dma:
- flags = claim_dma_lock();
free_dma (znet->rx_dma);
- release_dma_lock (flags);
free_irq:
free_irq (dev->irq, dev);
failed:
@@ -203,14 +198,11 @@ static int znet_request_resources (struct net_device *dev)
static void znet_release_resources (struct net_device *dev)
{
struct znet_private *znet = netdev_priv(dev);
- unsigned long flags;
release_region (znet->sia_base, znet->sia_size);
release_region (dev->base_addr, znet->io_size);
- flags = claim_dma_lock();
free_dma (znet->tx_dma);
free_dma (znet->rx_dma);
- release_dma_lock (flags);
free_irq (dev->irq, dev);
}