diff options
Diffstat (limited to 'net/ipv4/nexthop.c')
| -rw-r--r-- | net/ipv4/nexthop.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index 34137768e7f9..15acfb74fd23 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -2087,6 +2087,12 @@ static void remove_nexthop_from_groups(struct net *net, struct nexthop *nh, { struct nh_grp_entry *nhge, *tmp; + /* If there is nothing to do, let's avoid the costly call to + * synchronize_net() + */ + if (list_empty(&nh->grp_list)) + return; + list_for_each_entry_safe(nhge, tmp, &nh->grp_list, nh_list) remove_nh_grp_entry(net, nhge, nlinfo); |