mlxsw: spectrum_span: Replace zero-length array with flexible-array member

In a similar fashion to commit e99f8e7f88b5 ("mlxsw: Replace zero-length
array with flexible-array member"), use a flexible-array member to get a
compiler warning in case the flexible array does not occur last in the
structure.

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

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
index 235556b..ae3c8a1 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
@@ -22,7 +22,7 @@ struct mlxsw_sp_span {
        struct mlxsw_sp *mlxsw_sp;
        atomic_t active_entries_count;
        int entries_count;
-       struct mlxsw_sp_span_entry entries[0];
+       struct mlxsw_sp_span_entry entries[];
 };
 
 static void mlxsw_sp_span_respin_work(struct work_struct *work);