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>
diff --git a/drivers/net/atl1/atl1_main.c b/drivers/net/atl1/atl1_main.c
index 56f6389..3c1984e 100644
--- a/drivers/net/atl1/atl1_main.c
+++ b/drivers/net/atl1/atl1_main.c
@@ -1704,10 +1704,8 @@
}
}
- 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;
}