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netlink: don't orphan skb in netlink_trim()

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Netlink doesn't account skbs to the sending socket, so the there's no
need to orphan the skb before trimming it.

Removing the skb_orphan() call is required for mmap'ed netlink, which uses
a netlink specific skb destructor that must not be invoked before the
final freeing of the skb.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2013-04-17 06:46:59 +00:00 • committed by David S. Miller
parent 0ebd0ac5ff
commit 1298ca4671
1 changed files with 1 additions and 1 deletions
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2
net/netlink/af_netlink.c
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@ -851,7 +851,7 @@ static struct sk_buff *netlink_trim(struct sk_buff *skb, gfp_t allocation)
{ {
int delta; int delta;
skb_orphan(skb); WARN_ON(skb->sk != NULL);
delta = skb->end - skb->tail; delta = skb->end - skb->tail;
if (delta * 2 < skb->truesize) if (delta * 2 < skb->truesize)