diff options
| -rw-r--r-- | net/ipv4/route.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 8ca6bcab7b03..18c8baf32de5 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1013,13 +1013,14 @@ out: kfree_skb(skb); static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) { struct dst_entry *dst = &rt->dst; - u32 old_mtu = ipv4_mtu(dst); struct fib_result res; bool lock = false; + u32 old_mtu; if (ip_mtu_locked(dst)) return; + old_mtu = ipv4_mtu(dst); if (old_mtu < mtu) return; |