diff options
Diffstat (limited to 'drivers/input/evdev.c')
| -rw-r--r-- | drivers/input/evdev.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 9807c8ff6a84..08f48c03eec4 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -649,13 +649,7 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd, if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0))) { t = _IOC_NR(cmd) & ABS_MAX; - - abs.value = input_abs_get_val(dev, t); - abs.minimum = input_abs_get_min(dev, t); - abs.maximum = input_abs_get_max(dev, t); - abs.fuzz = input_abs_get_fuzz(dev, t); - abs.flat = input_abs_get_flat(dev, t); - abs.resolution = input_abs_get_res(dev, t); + abs = dev->absinfo[t]; if (copy_to_user(p, &abs, min_t(size_t, _IOC_SIZE(cmd), @@ -691,6 +685,9 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd, sizeof(struct input_absinfo)))) return -EFAULT; + if (_IOC_SIZE(cmd) < sizeof(struct input_absinfo)) + abs.resolution = 0; + /* We can't change number of reserved MT slots */ if (t == ABS_MT_SLOT) return -EINVAL; @@ -701,15 +698,7 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd, * of event. */ spin_lock_irq(&dev->event_lock); - - input_abs_set_val(dev, t, abs.value); - input_abs_set_min(dev, t, abs.minimum); - input_abs_set_max(dev, t, abs.maximum); - input_abs_set_fuzz(dev, t, abs.fuzz); - input_abs_set_flat(dev, t, abs.flat); - input_abs_set_res(dev, t, _IOC_SIZE(cmd) < sizeof(struct input_absinfo) ? - 0 : abs.resolution); - + dev->absinfo[t] = abs; spin_unlock_irq(&dev->event_lock); return 0; |