Input: fix open count handling in input interfaces
If input_open_device() fails we should not leave interfaces marked
as opened.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index bfee4f9..d404aa8 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -192,8 +192,11 @@
if (!evdev->exist)
retval = -ENODEV;
- else if (!evdev->open++)
+ else if (!evdev->open++) {
retval = input_open_device(&evdev->handle);
+ if (retval)
+ evdev->open--;
+ }
mutex_unlock(&evdev->mutex);
return retval;