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[NET_SCHED]: Fix qdisc_restart return value when dequeue is empty 

My previous patch that changed the return value of qdisc_restart
incorrectly made the case where dequeue returns empty continue
processing packets.

This patch is based on diagnosis and fix by Patrick McHardy.

Reported-and-debugged-by: Anant Nitya <kernel@prachanda.info>

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu 2007-05-23 14:30:44 -07:00 committed by David S. Miller
parent d333fc8d30
commit 36247f5421
1 changed files with 1 additions and 1 deletions
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2
net/sched/sch_generic.c
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@ -169,8 +169,8 @@ static inline int qdisc_restart(struct net_device *dev)
else
q->ops->requeue(skb, q);
netif_schedule(dev);
return 0;
}
return 0;
out:
BUG_ON((int) q->q.qlen < 0);