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net/mlx5e: Replace zero-length array with flexible-array member

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Zero-length arrays are deprecated[1] and we are moving towards
adopting C99 flexible-array members instead. So, replace zero-length
array declaration in struct mlx5e_flow_meter_aso_obj with flex-array
member.

This helps with the ongoing efforts to tighten the FORTIFY_SOURCE
routines on memcpy() and help us make progress towards globally
enabling -fstrict-flex-arrays=3 [2].

Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays [1]
Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [2]
Link: https://github.com/KSPP/linux/issues/78
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Gustavo A. R. Silva 2023-01-09 19:39:58 -06:00 committed by Saeed Mahameed
parent 63fbae0a74
commit 7193b436b5
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/en/tc/meter.c
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@ -28,7 +28,7 @@ struct mlx5e_flow_meter_aso_obj {
int base_id;
int total_meters;
unsigned long meters_map[0]; /* must be at the end of this struct */
unsigned long meters_map[]; /* must be at the end of this struct */
};
struct mlx5e_flow_meters {