Input: uinput - add UI_GET_VERSION ioctl
This ioctl is the counterpart to EVIOCGVERSION and returns the
uinput-version the kernel was compiled with.
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 883f045..421e29e 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -723,6 +723,12 @@
}
switch (cmd) {
+ case UI_GET_VERSION:
+ if (put_user(UINPUT_VERSION,
+ (unsigned int __user *)p))
+ retval = -EFAULT;
+ goto out;
+
case UI_DEV_CREATE:
retval = uinput_create_device(udev);
goto out;
