floppy: cleanups: use memset() to zero reply_buffer

Use memset() to zero reply buffer in raw_cmd_copyin() instead
of a for loop.

Signed-off-by: Denis Efremov <efremov@linux.com>
Link: https://lore.kernel.org/r/20210416083449.72700-4-efremov@linux.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index df5c329..c58b0b0 100644 (file)
--- 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 @@ loop:
        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)) {