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act_mirred: clear sender cpu before sending to tx 

Similar to commit c29390c6df ("xps: must clear sender_cpu before forwarding")
the skb->sender_cpu needs to be cleared when moving from Rx
Tx, otherwise kernel could crash.

Fixes: 2bd82484bb ("xps: fix xps for stacked devices")
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
WANG Cong 2015-10-06 17:23:47 -07:00 committed by David S. Miller
parent c72eda0608
commit d40496a564
1 changed files with 1 additions and 0 deletions
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1
net/sched/act_mirred.c
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@ -179,6 +179,7 @@ static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a,
skb2->skb_iif = skb->dev->ifindex;
skb2->dev = dev;
skb_sender_cpu_clear(skb2);
err = dev_queue_xmit(skb2);
if (err) {