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ipv4: remove redundant null pointer check before kfree_skb

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kfree_skb has taken the null pointer into account. hence it is safe
to remove the redundant null pointer check before kfree_skb.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
zhong jiang 2018-09-20 17:37:43 +08:00 committed by David S. Miller
parent 16a3f50f05
commit 1d08962ff1
1 changed files with 1 additions and 2 deletions
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3
net/ipv4/ip_fragment.c
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@ -260,8 +260,7 @@ static void ip_expire(struct timer_list *t)
spin_unlock(&qp->q.lock);
out_rcu_unlock:
rcu_read_unlock();
if (head)
kfree_skb(head);
kfree_skb(head);
ipq_put(qp);
}