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 [thread overview]
Message-ID: <20210416083449.72700-4-efremov@linux.com> (raw)
In-Reply-To: <20210416083449.72700-1-efremov@linux.com>
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
next prev parent reply other threads:[~2021-04-16 8:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-16 8:34 [PATCH 0/5] Another small set of cleanups for floppy driver Denis Efremov
2021-04-16 8:34 ` [PATCH 1/5] floppy: cleanups: remove trailing whitespaces Denis Efremov
2021-04-16 8:34 ` [PATCH 2/5] floppy: cleanups: use ST0 as reply_buffer index 0 Denis Efremov
2021-04-16 8:34 ` Denis Efremov [this message]
2021-04-16 8:34 ` [PATCH 4/5] floppy: cleanups: use memcpy() to copy reply_buffer Denis Efremov
2021-04-16 8:34 ` [PATCH 5/5] floppy: cleanups: remove FLOPPY_SILENT_DCL_CLEAR undef Denis Efremov
2021-04-16 12:05 ` [PATCH 0/5] Another small set of cleanups for floppy driver Jens Axboe
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