Commit 8a455b08 authored by Jarek Poplawski's avatar Jarek Poplawski Committed by David S. Miller

netpoll: zap_completion_queue: adjust skb->users counter

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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarJarek Poplawski <jarkao2@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2bec008c
...@@ -215,10 +215,12 @@ static void zap_completion_queue(void) ...@@ -215,10 +215,12 @@ static void zap_completion_queue(void)
while (clist != NULL) { while (clist != NULL) {
struct sk_buff *skb = clist; struct sk_buff *skb = clist;
clist = clist->next; clist = clist->next;
if (skb->destructor) if (skb->destructor) {
atomic_inc(&skb->users);
dev_kfree_skb_any(skb); /* put this one back */ dev_kfree_skb_any(skb); /* put this one back */
else } else {
__kfree_skb(skb); __kfree_skb(skb);
}
} }
} }
......
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