diff options
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/nexthop.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index 3f43693498ee..11bfb1eb7f84 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -1100,12 +1100,22 @@ static int replace_nexthop_single(struct net *net, struct nexthop *old, struct netlink_ext_ack *extack) { struct nh_info *oldi, *newi; + int err; if (new->is_group) { NL_SET_ERR_MSG(extack, "Can not replace a nexthop with a nexthop group."); return -EINVAL; } + err = call_nexthop_notifiers(net, NEXTHOP_EVENT_REPLACE, new, extack); + if (err) + return err; + + /* Hardware flags were set on 'old' as 'new' is not in the red-black + * tree. Therefore, inherit the flags from 'old' to 'new'. + */ + new->nh_flags |= old->nh_flags & (RTNH_F_OFFLOAD | RTNH_F_TRAP); + oldi = rtnl_dereference(old->nh_info); newi = rtnl_dereference(new->nh_info); |