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SubjectRe: [PATCH 2/6] net/mlx4_en: use kzalloc
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On 3/12/2022 12:27 PM, Julia Lawall wrote:
> Use kzalloc instead of kmalloc + memset.
>
> The semantic patch that makes this change is:
> (https://coccinelle.gitlabpages.inria.fr/website/)
>
> //<smpl>
> @@
> expression res, size, flag;
> @@
> - res = kmalloc(size, flag);
> + res = kzalloc(size, flag);
> ...
> - memset(res, 0, size);
> //</smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
>
> ---
> drivers/net/ethernet/mellanox/mlx4/en_rx.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
> index 8cfc649f226b..8f762fc170b3 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
> @@ -1067,7 +1067,7 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn,
> struct mlx4_qp_context *context;
> int err = 0;
>
> - context = kmalloc(sizeof(*context), GFP_KERNEL);
> + context = kzalloc(sizeof(*context), GFP_KERNEL);
> if (!context)
> return -ENOMEM;
>
> @@ -1078,7 +1078,6 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn,
> }
> qp->event = mlx4_en_sqp_event;
>
> - memset(context, 0, sizeof(*context));
> mlx4_en_fill_qp_context(priv, ring->actual_size, ring->stride, 0, 0,
> qpn, ring->cqn, -1, context);
> context->db_rec_addr = cpu_to_be64(ring->wqres.db.dma);
>

Thanks for your patch.

Reviewed-by: Tariq Toukan <tariqt@nvidia.com>

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