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netpoll: zap_completion_queue: adjust skb->users counter

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zap_completion_queue() retrieves skbs from completion_queue where they have
zero skb->users counter.  Before dev_kfree_skb_any() it should be non-zero
yet, so it's increased now.

Reported-and-tested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jarek Poplawski 2008-03-20 16:07:27 -07:00 committed by David S. Miller
parent 2bec008ca9
commit 8a455b087c
1 changed files with 4 additions and 2 deletions
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6
net/core/netpoll.c
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@ -215,10 +215,12 @@ static void zap_completion_queue(void)
while (clist != NULL) {
struct sk_buff *skb = clist;
clist = clist->next;
if (skb->destructor)
if (skb->destructor) {
atomic_inc(&skb->users);
dev_kfree_skb_any(skb); /* put this one back */
else
} else {
__kfree_skb(skb);
}
}
}