ipvs: remove extra rcu lock
In 3.7 we added code that uses ipv4_update_pmtu but after commit
c5ae7d4192
(ipv4: must use rcu protection while calling fib_lookup)
the RCU lock is not needed.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
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commit
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1 changed files with 0 additions and 2 deletions
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@ -1394,10 +1394,8 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
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skb_reset_network_header(skb);
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IP_VS_DBG(12, "ICMP for IPIP %pI4->%pI4: mtu=%u\n",
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&ip_hdr(skb)->saddr, &ip_hdr(skb)->daddr, mtu);
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rcu_read_lock();
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ipv4_update_pmtu(skb, dev_net(skb->dev),
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mtu, 0, 0, 0, 0);
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rcu_read_unlock();
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/* Client uses PMTUD? */
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if (!(cih->frag_off & htons(IP_DF)))
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goto ignore_ipip;
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