netdev - [PATCH net-next-2.6] ifb: fix a lockdep splat

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Message-ID: <1292493175.2883.56.camel@edumazet-laptop>
Date:	Thu, 16 Dec 2010 10:52:55 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	changli Gao <xiaosuo@...il.com>, netdev <netdev@...r.kernel.org>,
	Jamal Hadi Salim <hadi@...erus.ca>
Subject: [PATCH net-next-2.6] ifb: fix a lockdep splat

After recent ifb changes, we must use lockless __skb_dequeue() since
lock is not anymore initialized.

Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
Cc: Jamal Hadi Salim <hadi@...erus.ca>
Cc: Changli Gao <xiaosuo@...il.com>
---
 drivers/net/ifb.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c
index bfa03db..8bcacd7 100644
--- a/drivers/net/ifb.c
+++ b/drivers/net/ifb.c
@@ -71,7 +71,7 @@ static void ri_tasklet(unsigned long dev)
 		}
 	}
 
-	while ((skb = skb_dequeue(&dp->tq)) != NULL) {
+	while ((skb = __skb_dequeue(&dp->tq)) != NULL) {
 		u32 from = G_TC_FROM(skb->tc_verd);
 
 		skb->tc_verd = 0;


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