Commit 518386c7 authored by Akinobu Mita's avatar Akinobu Mita Committed by Greg Kroah-Hartman
Browse files

USB: usbmon: use simple_read_from_buffer() 



Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Acked-by: default avatarPete Zaitcev <zaitcev@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent bef4665a

drivers/usb/mon/mon_stat.c

+2 −12
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 


#include <linux/kernel.h>

#include <linux/usb.h>

#include <linux/fs.h>

#include <asm/uaccess.h>



#include "usb_mon.h"
@@ -42,19 +43,8 @@ static ssize_t mon_stat_read(struct file *file, char __user *buf, 
				size_t nbytes, loff_t *ppos)

{

	struct snap *sp = file->private_data;

	loff_t pos = *ppos;

	int cnt;



	if (pos < 0 || pos >= sp->slen)

		return 0;

	if (nbytes == 0)

		return 0;

	if ((cnt = sp->slen - pos) > nbytes)

		cnt = nbytes;

	if (copy_to_user(buf, sp->str + pos, cnt))

		return -EFAULT;

	*ppos = pos + cnt;

	return cnt;

	return simple_read_from_buffer(buf, nbytes, ppos, sp->str, sp->slen);

}



static int mon_stat_release(struct inode *inode, struct file *file)