netdev - [PATCH -next v2 2/2] net/mlx5e: Switch to kmemdup() when allocate dev

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Message-ID: <20220914140100.3795545-2-yangyingliang@huawei.com>
Date:   Wed, 14 Sep 2022 22:01:00 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <netdev@...r.kernel.org>, <linux-rdma@...r.kernel.org>
CC:     <saeedm@...dia.com>, <liorna@...dia.com>, <raeds@...dia.com>,
        <davem@...emloft.net>
Subject: [PATCH -next v2 2/2] net/mlx5e: Switch to kmemdup() when allocate dev_addr

Use kmemdup() helper instead of open-coding to
simplify the code when allocate dev_addr.

Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
v2:
 Make kmemdup() fit in one line.
---
 drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
index 100e03eb740b..ea362072a984 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
@@ -931,14 +931,13 @@ static int mlx5e_macsec_add_secy(struct macsec_context *ctx)
 		goto out;
 	}
 
-	macsec_device->dev_addr = kzalloc(dev->addr_len, GFP_KERNEL);
+	macsec_device->dev_addr = kmemdup(dev->dev_addr, dev->addr_len, GFP_KERNEL);
 	if (!macsec_device->dev_addr) {
 		kfree(macsec_device);
 		err = -ENOMEM;
 		goto out;
 	}
 
-	memcpy(macsec_device->dev_addr, dev->dev_addr, dev->addr_len);
 	macsec_device->netdev = dev;
 
 	INIT_LIST_HEAD_RCU(&macsec_device->macsec_rx_sc_list_head);
-- 
2.25.1