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-rw-r--r--net/ipv6/ip6mr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 59fad81..9c24b85 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1617,6 +1617,10 @@ int ip6mr_sk_done(struct sock *sk)
struct net *net = sock_net(sk);
struct mr6_table *mrt;
+ if (sk->sk_type != SOCK_RAW ||
+ inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
+ return err;
+
rtnl_lock();
ip6mr_for_each_table(mrt, net) {
if (sk == mrt->mroute6_sk) {
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