From: Jiri Slaby <jirislaby@gmail.com>
Date: Wed, 4 Nov 2009 16:37:31 +0000 (-0800)
Subject: NET: sungem, use spin_trylock_irqsave
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b8883a65be2d925ea82b14ca0068ce9a6c8bac1f;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

NET: sungem, use spin_trylock_irqsave

Use spin_trylock_irqsave instead of open-coded
local_irq_save+spin_trylock.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index 305ec3d783db..d6f4faf5bbcb 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -1033,10 +1033,8 @@ static netdev_tx_t gem_start_xmit(struct sk_buff *skb,
 			(csum_stuff_off << 21));
 	}
 
-	local_irq_save(flags);
-	if (!spin_trylock(&gp->tx_lock)) {
+	if (!spin_trylock_irqsave(&gp->tx_lock, flags)) {
 		/* Tell upper layer to requeue */
-		local_irq_restore(flags);
 		return NETDEV_TX_LOCKED;
 	}
 	/* We raced with gem_do_stop() */