mlx5: Add missing init_net check in FIB notifier

Take only FIB events that are happening in init_net into account. No other
namespaces are supported.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c

@@ -248,6 +248,9 @@ static int mlx5_lag_fib_event(struct notifier_block *nb,
 	struct net_device *fib_dev;
 	struct fib_info *fi;
 
+	if (!net_eq(info->net, &init_net))
+		return NOTIFY_DONE;
+
 	if (info->family != AF_INET)
 		return NOTIFY_DONE;