[PATCH 1/8] net/mlx4: use kzalloc instead of kmalloc

From: Robert Eshleman
Date: Wed Feb 27 2019 - 01:10:18 EST


This patch replaces a kmalloc/memset(,0) call with a call to kzalloc.
It also removes a memset(,0) call that always follows a *zalloc call.

Signed-off-by: Robert Eshleman <bobbyeshleman@xxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx4/cmd.c | 1 -
drivers/net/ethernet/mellanox/mlx4/en_rx.c | 3 +--
2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index e65bc3c95630..7bfa6e850e5f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -3307,7 +3307,6 @@ int mlx4_get_counter_stats(struct mlx4_dev *dev, int counter_index,
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);

- memset(mailbox->buf, 0, sizeof(struct mlx4_counter));
if_stat_in_mod = counter_index;
if (reset)
if_stat_in_mod |= MLX4_QUERY_IF_STAT_RESET;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 9a0881cb7f51..f55805d206ef 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -1044,7 +1044,7 @@ 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;

@@ -1055,7 +1055,6 @@ 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);
--
2.20.1