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/joydev.c b/drivers/input/joydev.c
index a4272d6..f306c97 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -205,8 +205,11 @@
if (!joydev->exist)
retval = -ENODEV;
- else if (!joydev->open++)
+ else if (!joydev->open++) {
retval = input_open_device(&joydev->handle);
+ if (retval)
+ joydev->open--;
+ }
mutex_unlock(&joydev->mutex);
return retval;