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From:   Denis Efremov <efremov@linux.com>
To:     linux-block@vger.kernel.org
Cc:     Denis Efremov <efremov@linux.com>, linux-kernel@vger.kernel.org
Subject: [PATCH 3/5] floppy: cleanups: use memset() to zero reply_buffer
Date:   Fri, 16 Apr 2021 11:34:47 +0300
Message-Id: <20210416083449.72700-4-efremov@linux.com>
In-Reply-To: <20210416083449.72700-1-efremov@linux.com>
References: <20210416083449.72700-1-efremov@linux.com>
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Use memset() to zero reply buffer in raw_cmd_copyin() instead
of a for loop.

Signed-off-by: Denis Efremov <efremov@linux.com>
---
 drivers/block/floppy.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index df5c32900539..c58b0b079afc 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3090,7 +3090,6 @@ static int raw_cmd_copyin(int cmd, void __user *param,
 {
 	struct floppy_raw_cmd *ptr;
 	int ret;
-	int i;
 
 	*rcmd = NULL;
 
@@ -3109,8 +3108,7 @@ static int raw_cmd_copyin(int cmd, void __user *param,
 	if (ptr->cmd_count > FD_RAW_CMD_FULLSIZE)
 		return -EINVAL;
 
-	for (i = 0; i < FD_RAW_REPLY_SIZE; i++)
-		ptr->reply[i] = 0;
+	memset(ptr->reply, 0, FD_RAW_REPLY_SIZE);
 	ptr->resultcode = 0;
 
 	if (ptr->flags & (FD_RAW_READ | FD_RAW_WRITE)) {
-- 
2.30.2