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path: root/drivers/input/evdev.c
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Diffstat (limited to 'drivers/input/evdev.c')
-rw-r--r--drivers/input/evdev.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index f8b278d3559..19c14c4beb4 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -393,6 +393,7 @@ static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case EV_LED: bits = dev->ledbit; len = LED_MAX; break;
case EV_SND: bits = dev->sndbit; len = SND_MAX; break;
case EV_FF: bits = dev->ffbit; len = FF_MAX; break;
+ case EV_SW: bits = dev->swbit; len = SW_MAX; break;
default: return -EINVAL;
}
len = NBITS(len) * sizeof(long);
@@ -421,6 +422,13 @@ static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return copy_to_user(p, dev->snd, len) ? -EFAULT : len;
}
+ if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSW(0))) {
+ int len;
+ len = NBITS(SW_MAX) * sizeof(long);
+ if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
+ return copy_to_user(p, dev->sw, len) ? -EFAULT : len;
+ }
+
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) {
int len;
if (!dev->name) return -ENOENT;