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authorDavid Herrmann <dh.herrmann@gmail.com>2014-07-21 04:27:09 +0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-07-22 01:30:42 +0400
commitba4e9a61ad54c438d4c7b655e94e31f23a6fe13f (patch)
tree87fe8f02928f2a1a041718a0feef057251a8323a /drivers/input/misc
parentbcb898e5873430d8121eb8df07d5fbfb49134167 (diff)
downloadlinux-ba4e9a61ad54c438d4c7b655e94e31f23a6fe13f.tar.xz
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>
Diffstat (limited to 'drivers/input/misc')
-rw-r--r--drivers/input/misc/uinput.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 883f045f37df..421e29e4cd81 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -723,6 +723,12 @@ static long uinput_ioctl_handler(struct file *file, unsigned int cmd,
}
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;