[PATCH net-next] ipv6: fix a bad cast in ip6_dst_lookup_tail()
From: Eric Dumazet <hidden>
Date: 2012-07-06 07:19:12
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
From: Eric Dumazet <edumazet@google.com> Fix a bug in ip6_dst_lookup_tail(), where typeof(dst) is "struct dst_entry **", not "struct dst_entry *" Reported-by: Fengguang Wu <redacted> Signed-off-by: Eric Dumazet <edumazet@google.com> ---
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 6d9c0ab..c6af596 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c@@ -975,7 +975,7 @@ static int ip6_dst_lookup_tail(struct sock *sk, * dst entry of the nexthop router */ rcu_read_lock(); - rt = (struct rt6_info *) dst; + rt = (struct rt6_info *) *dst; n = rt->n; if (n && !(n->nud_state & NUD_VALID)) { struct inet6_ifaddr *ifp;