diff options
Diffstat (limited to 'net/ipv4/nexthop.c')
| -rw-r--r-- | net/ipv4/nexthop.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index 29118c43ebf5..34137768e7f9 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -2399,6 +2399,13 @@ static int replace_nexthop_single(struct net *net, struct nexthop *old, return -EINVAL; } + if (!list_empty(&old->grp_list) && + rtnl_dereference(new->nh_info)->fdb_nh != + rtnl_dereference(old->nh_info)->fdb_nh) { + NL_SET_ERR_MSG(extack, "Cannot change nexthop FDB status while in a group"); + return -EINVAL; + } + err = call_nexthop_notifiers(net, NEXTHOP_EVENT_REPLACE, new, extack); if (err) return err; |