From: Ingo Molnar <mingo@elte.hu>
Date: Wed, 1 Aug 2007 00:07:02 +0000 (-0500)
Subject: atl1: use spin_trylock_irqsave()
X-Git-Tag: v2.6.23-rc3~89
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5845b677cf7f64a0f104609e1dfe02a439f69f71;p=karo-tx-linux.git

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 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;
 	}