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Merge branch 'for-next' of github.com:rydberg/linux into next

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This commit is contained in:
Dmitry Torokhov
2012-03-09 10:56:35 -08:00
parent b675b3667f 7491f3dffd
commit 05b7b842fa
5 changed files with 59 additions and 4 deletions
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27
drivers/input/evdev.c
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@@ -20,7 +20,7 @@
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/input/mt.h>
#include <linux/major.h>
#include <linux/device.h>
#include "input-compat.h"
@@ -632,6 +632,28 @@ static int evdev_handle_set_keycode_v2(struct input_dev *dev, void __user *p)
return input_set_keycode(dev, &ke);
}
static int evdev_handle_mt_request(struct input_dev *dev,
unsigned int size,
int __user *ip)
{
const struct input_mt_slot *mt = dev->mt;
unsigned int code;
int max_slots;
int i;
if (get_user(code, &ip[0]))
return -EFAULT;
if (!input_is_mt_value(code))
return -EINVAL;
max_slots = (size - sizeof(__u32)) / sizeof(__s32);
for (i = 0; i < dev->mtsize && i < max_slots; i++)
if (put_user(input_mt_get_value(&mt[i], code), &ip[1 + i]))
return -EFAULT;
return 0;
}
static long evdev_do_ioctl(struct file *file, unsigned int cmd,
void __user *p, int compat_mode)
{
@@ -725,6 +747,9 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
return bits_to_user(dev->propbit, INPUT_PROP_MAX,
size, p, compat_mode);
case EVIOCGMTSLOTS(0):
return evdev_handle_mt_request(dev, size, ip);
case EVIOCGKEY(0):
return bits_to_user(dev->key, KEY_MAX, size, p, compat_mode);