staging: android: timed_output: fix use after free of dev

tdev->dev has been freed in device_destroy(), it's not right to use dev_set_drvdata() after that; Signed-off-by: Yi Zhang <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
sum-it · Jun 20, 2014 · b28e7d5 · b28e7d5
1 parent 8851362
commit b28e7d5
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/drivers/staging/android/timed_output.c b/drivers/staging/android/timed_output.c
@@ -97,7 +97,6 @@ void timed_output_dev_unregister(struct timed_output_dev *tdev)
 {
 	tdev->enable(tdev, 0);
 	device_destroy(timed_output_class, MKDEV(0, tdev->index));
-	dev_set_drvdata(tdev->dev, NULL);
 }
 EXPORT_SYMBOL_GPL(timed_output_dev_unregister);