diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 3dd19bebeb55..e235f62dab58 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -141,8 +141,8 @@ static bool frag_expire_skip_icmp(u32 user) */ static void ip_expire(unsigned long arg) { - struct sk_buff *clone, *head; const struct iphdr *iph; + struct sk_buff *head; struct net *net; struct ipq *qp; int err; @@ -185,16 +185,12 @@ static void ip_expire(unsigned long arg) (skb_rtable(head)->rt_type != RTN_LOCAL)) goto out; - clone = skb_clone(head, GFP_ATOMIC); + skb_get(head); + spin_unlock(&qp->q.lock); + icmp_send(head, ICMP_TIME_EXCEEDED, ICMP_EXC_FRAGTIME, 0); + kfree_skb(head); + goto out_rcu_unlock; - /* Send an ICMP "Fragment Reassembly Timeout" message. */ - if (clone) { - spin_unlock(&qp->q.lock); - icmp_send(clone, ICMP_TIME_EXCEEDED, - ICMP_EXC_FRAGTIME, 0); - consume_skb(clone); - goto out_rcu_unlock; - } out: spin_unlock(&qp->q.lock); out_rcu_unlock: