Input: fix open count handling in input interfaces

[h-e-n] / drivers / input / mousedev.c

diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 715def7..cc36edb 100644 (file)
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -428,8 +428,11 @@ static int mousedev_open_device(struct mousedev *mousedev)
                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;