diff options
| -rw-r--r-- | net/ipv6/ip6mr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 541cd0887129..8e483e14b570 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -1575,6 +1575,9 @@ int ip6mr_sk_done(struct sock *sk) inet_sk(sk)->inet_num != IPPROTO_ICMPV6) return err; + if (!atomic_read(&net->ipv6.devconf_all->mc_forwarding)) + return err; + rtnl_lock(); ip6mr_for_each_table(mrt, net) { if (sk == rtnl_dereference(mrt->mroute_sk)) { |