ftrace: Documentation

[linux-2.6] / net / ipv6 / reassembly.c

diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 798cabc7535b747d9193ce20e1dce1907e18eb8f..a60d7d1297137880de4294999966f3cb487ec16c 100644 (file)
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -247,6 +247,8 @@ fq_find(struct net *net, __be32 id, struct in6_addr *src, struct in6_addr *dst,
        arg.id = id;
        arg.src = src;
        arg.dst = dst;
+
+       read_lock(&ip6_frags.lock);
        hash = ip6qhashfn(id, src, dst);
 
        q = inet_frag_find(&net->ipv6.frags, &ip6_frags, &arg, hash);