From: Gustavo A. R. Silva Date: Mon, 26 Sep 2022 21:50:42 +0000 (-0500) Subject: net/mlx5e: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=5df5365ae4f793ce2e555d7d836abde3f5bd55b4;p=linux.git net/mlx5e: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper Zero-length arrays are deprecated and we are moving towards adopting C99 flexible-array members, instead. So, replace zero-length arrays declarations in anonymous union with the new DECLARE_FLEX_ARRAY() helper macro. This helper allows for flexible-array members in unions. Link: https://github.com/KSPP/linux/issues/193 Link: https://github.com/KSPP/linux/issues/222 Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html Signed-off-by: Gustavo A. R. Silva Reviewed-by: Kees Cook Signed-off-by: Saeed Mahameed --- diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h index 48241317a5354..0db41fa4a9a64 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h @@ -97,8 +97,8 @@ struct mlx5_flow_attr { } lag; /* keep this union last */ union { - struct mlx5_esw_flow_attr esw_attr[0]; - struct mlx5_nic_flow_attr nic_attr[0]; + DECLARE_FLEX_ARRAY(struct mlx5_esw_flow_attr, esw_attr); + DECLARE_FLEX_ARRAY(struct mlx5_nic_flow_attr, nic_attr); }; };