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| author |   David Herrmann <dh.herrmann@gmail.com> | 2014-07-20 17:27:09 -0700 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-07-21 14:30:42 -0700 |
| commit | ba4e9a61ad54c438d4c7b655e94e31f23a6fe13f (patch) | |
| tree | 87fe8f02928f2a1a041718a0feef057251a8323a /drivers/input/misc/uinput.c | |
| parent | Input: uinput - uinput_validate_absbits() cleanup (diff) | |
| download | linux-dev-ba4e9a61ad54c438d4c7b655e94e31f23a6fe13f.tar.xz linux-dev-ba4e9a61ad54c438d4c7b655e94e31f23a6fe13f.zip | |
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/uinput.c')
| -rw-r--r-- | drivers/input/misc/uinput.c | 6 |
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; |