linux-kernel - [PATCH] ar5523: Use kzalloc instead of kmalloc/memset

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Date:   Tue, 19 Apr 2022 09:37:31 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     Pontus Fuchs <pontus.fuchs@...il.com>,
        Kalle Valo <kvalo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
CC:     Haowen Bai <baihaowen@...zu.com>, <linux-wireless@...r.kernel.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] ar5523: Use kzalloc instead of kmalloc/memset

Use kzalloc rather than duplicating its implementation, which
makes code simple and easy to understand.

Signed-off-by: Haowen Bai <baihaowen@...zu.com>
---
 drivers/net/wireless/ath/ar5523/ar5523.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c
index 00ddeee123c2..9f84a6fde0c2 100644
--- a/drivers/net/wireless/ath/ar5523/ar5523.c
+++ b/drivers/net/wireless/ath/ar5523/ar5523.c
@@ -1500,7 +1500,7 @@ static int ar5523_load_firmware(struct usb_device *dev)
 		return -ENOENT;
 	}
 
-	txblock = kmalloc(sizeof(*txblock), GFP_KERNEL);
+	txblock = kzalloc(sizeof(*txblock), GFP_KERNEL);
 	if (!txblock)
 		goto out;
 
@@ -1512,7 +1512,6 @@ static int ar5523_load_firmware(struct usb_device *dev)
 	if (!fwbuf)
 		goto out_free_rxblock;
 
-	memset(txblock, 0, sizeof(struct ar5523_fwblock));
 	txblock->flags = cpu_to_be32(AR5523_WRITE_BLOCK);
 	txblock->total = cpu_to_be32(fw->size);
 
-- 
2.7.4