diff options
| -rw-r--r-- | net/mpls/af_mpls.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index c70d750148b6..3be29cb1f658 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -534,6 +534,10 @@ static int mpls_nh_assign_dev(struct net *net, struct mpls_route *rt, if (!mpls_dev_get(dev)) goto errout; + if ((nh->nh_via_table == NEIGH_LINK_TABLE) && + (dev->addr_len != nh->nh_via_alen)) + goto errout; + RCU_INIT_POINTER(nh->nh_dev, dev); return 0; |