linux-kernel - [PATCH wireless v2] scsi: megaraid: Remove unnecessary memset

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Message-ID: <20210115014559.7803-1-zhengyongjun3@huawei.com>
Date:   Fri, 15 Jan 2021 09:45:59 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>,
        <wcn36xx@...ts.infradead.org>, <linux-wireless@...r.kernel.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <kvalo@...eaurora.org>, Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH wireless v2] scsi: megaraid: Remove unnecessary memset

memcpy operation is next to memset code, and the size to copy
is equals to the size to memset, so the memset operation is
unnecessary, remove it.

Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
---
 drivers/net/wireless/ath/wcn36xx/smd.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index 273fed22711f..5447a6696c35 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.c
+++ b/drivers/net/wireless/ath/wcn36xx/smd.c
@@ -478,7 +478,6 @@ static void init_hal_msg(struct wcn36xx_hal_msg_header *hdr,
 
 #define PREPARE_HAL_BUF(send_buf, msg_body) \
 	do {							\
-		memset(send_buf, 0, msg_body.header.len);	\
 		memcpy(send_buf, &msg_body, sizeof(msg_body));	\
 	} while (0)						\
 
-- 
2.22.0