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| author | Jarek Poplawski <jarkao2@gmail.com> | 2008-03-20 16:07:27 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-20 16:07:27 -0700 |
| commit | 8a455b087c9629b3ae3b521b4f1ed16672f978cc (patch) | |
| tree | db93f743a1d9add48876d9d0ccdbc2696c0f771f | |
| parent | 2bec008ca9fd009aa503b75344d1c22da9256141 (diff) | |
| download | linux-8a455b087c9629b3ae3b521b4f1ed16672f978cc.tar.gz linux-8a455b087c9629b3ae3b521b4f1ed16672f978cc.tar.bz2 linux-8a455b087c9629b3ae3b521b4f1ed16672f978cc.zip | |
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: 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>
| -rw-r--r-- | net/core/netpoll.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 4b7e756181c9..c635de52526c 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -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); + } } } |