nexthop: Enable resilient next-hop groups

Now that all the code is in place, stop rejecting requests to create
resilient next-hop groups.
Signed-off-by: NPetr Machata <petrm@nvidia.com>
Reviewed-by: NIdo Schimmel <idosch@nvidia.com>
Reviewed-by: NDavid Ahern <dsahern@kernel.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/nexthop.c

@@ -2443,10 +2443,6 @@ static struct nexthop *nexthop_create_group(struct net *net,
 	} else if (cfg->nh_grp_type == NEXTHOP_GRP_TYPE_RES) {
 		struct nh_res_table *res_table;
 
-		/* Bounce resilient groups for now. */
-		err = -EINVAL;
-		goto out_no_nh;
-
 		res_table = nexthop_res_table_alloc(net, cfg->nh_id, cfg);
 		if (!res_table) {
 			err = -ENOMEM;