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/mousedev.c b/drivers/input/mousedev.c
index 715def7..cc36edb 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -428,8 +428,11 @@
mixdev_open_devices();
else if (!mousedev->exist)
retval = -ENODEV;
- else if (!mousedev->open++)
+ else if (!mousedev->open++) {
retval = input_open_device(&mousedev->handle);
+ if (retval)
+ mousedev->open--;
+ }
mutex_unlock(&mousedev->mutex);
return retval;