atl1: use spin_trylock_irqsave()

use the simpler spin_trylock_irqsave() API to get the adapter lock.

[ this is also a fix for -rt where adapter->lock is a sleeping lock. ]

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/net/atl1/atl1_main.c b/drivers/net/atl1/atl1_main.c
index 56f6389a300e..3c1984ecf36c 100644
--- a/drivers/net/atl1/atl1_main.c
+++ b/drivers/net/atl1/atl1_main.c
@@ -1704,10 +1704,8 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
                 }
         }
 
-        local_irq_save(flags);
-        if (!spin_trylock(&adapter->lock)) {
+        if (!spin_trylock_irqsave(&adapter->lock, flags)) {
                 /* Can't get lock - tell upper layer to requeue */
-                local_irq_restore(flags);
                 dev_printk(KERN_DEBUG, &adapter->pdev->dev, "tx locked\n");
                 return NETDEV_TX_LOCKED;
         }