mlxsw: spectrum_router: Remove redundant check

We only add neighbour entries that are also used for nexthops to
'nexthop_neighs_list', so when iterating over this list there's no need
to check that the entry is indeed used for nexthops.

Remove the redundant check.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c

@@ -847,13 +847,11 @@ static void mlxsw_sp_router_neighs_update_nh(struct mlxsw_sp *mlxsw_sp)
 	/* Take RTNL mutex here to prevent lists from changes */
 	rtnl_lock();
 	list_for_each_entry(neigh_entry, &mlxsw_sp->router.nexthop_neighs_list,
-			    nexthop_neighs_list_node) {
+			    nexthop_neighs_list_node)
 		/* If this neigh have nexthops, make the kernel think this neigh
 		 * is active regardless of the traffic.
 		 */
-		if (!list_empty(&neigh_entry->nexthop_list))
 		neigh_event_send(neigh_entry->key.n, NULL);
-	}
 	rtnl_unlock();
 }
 
@@ -897,11 +895,9 @@ static void mlxsw_sp_router_probe_unresolved_nexthops(struct work_struct *work)
 	 */
 	rtnl_lock();
 	list_for_each_entry(neigh_entry, &mlxsw_sp->router.nexthop_neighs_list,
-			    nexthop_neighs_list_node) {
-		if (!(neigh_entry->key.n->nud_state & NUD_VALID) &&
-		    !list_empty(&neigh_entry->nexthop_list))
+			    nexthop_neighs_list_node)
+		if (!(neigh_entry->key.n->nud_state & NUD_VALID))
 			neigh_event_send(neigh_entry->key.n, NULL);
-	}
 	rtnl_unlock();
 
 	mlxsw_core_schedule_dw(&mlxsw_sp->router.nexthop_probe_dw,