Re: [PATCH] net/mlx4: Use ARRAY_SIZE to get an array's size

[Joe Perches]

On Tue, 2021-08-17 at 20:11 +0800, Jason Wang wrote:
> The ARRAY_SIZE macro is defined to get an array's size which is
> more compact and more formal in linux source. Thus, we can replace
> the long sizeof(arr)/sizeof(arr[0]) with the compact ARRAY_SIZE.
[]
> diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c
[]
> @@ -739,7 +739,7 @@ static void mlx4_cleanup_qp_zones(struct mlx4_dev *dev)
>  		int i;
>  
> 
>  		for (i = 0;
> -		     i < sizeof(qp_table->zones_uids)/sizeof(qp_table->zones_uids[0]);
> +		     i < ARRAY_SIZE(qp_table->zones_uids);
>  		     i++) {

trivia:  could now be a single line

		for (i = 0; i < ARRAY_SIZE(qp_table->zones_uids); i++) {