linux-kernel - [PATCH][net-next] net/mlx5: Use kvcalloc() instead of kvzalloc()

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Date:   Tue, 28 Sep 2021 17:04:47 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Saeed Mahameed <saeedm@...dia.com>,
        Leon Romanovsky <leon@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: [PATCH][net-next] net/mlx5: Use kvcalloc() instead of kvzalloc()

Use 2-factor argument form kvcalloc() instead of kvzalloc().

Link: https://github.com/KSPP/linux/issues/162
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 drivers/net/ethernet/mellanox/mlx5/core/cmd.c              | 2 +-
 drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index db5dfff585c9..4dc3a822907a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -2058,7 +2058,7 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
 		return -EINVAL;
 	}
 
-	cmd->stats = kvzalloc(MLX5_CMD_OP_MAX * sizeof(*cmd->stats), GFP_KERNEL);
+	cmd->stats = kvcalloc(MLX5_CMD_OP_MAX, sizeof(*cmd->stats), GFP_KERNEL);
 	if (!cmd->stats)
 		return -ENOMEM;
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 0d461e38add3..4e1628f25265 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -1009,7 +1009,7 @@ mlx5_eswitch_add_send_to_vport_meta_rules(struct mlx5_eswitch *esw)
 	u16 vport_num;
 
 	num_vfs = esw->esw_funcs.num_vfs;
-	flows = kvzalloc(num_vfs * sizeof(*flows), GFP_KERNEL);
+	flows = kvcalloc(num_vfs, sizeof(*flows), GFP_KERNEL);
 	if (!flows)
 		return -ENOMEM;
 
@@ -1188,7 +1188,7 @@ static int esw_add_fdb_peer_miss_rules(struct mlx5_eswitch *esw,
 
 	peer_miss_rules_setup(esw, peer_dev, spec, &dest);
 
-	flows = kvzalloc(nvports * sizeof(*flows), GFP_KERNEL);
+	flows = kvcalloc(nvports, sizeof(*flows), GFP_KERNEL);
 	if (!flows) {
 		err = -ENOMEM;
 		goto alloc_flows_err;
-- 
2.27.0