All multi code should not be handled in exit part of the code but in the
mainline of the function.
Fixes: 0a40a1363a4d ("net/mlx5: fix flow type for allmulti rules")
Cc: stable@dpdk.org
Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Acked-by: Yongseok Koh <yskoh@mellanox.com>