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 <yizhang@marvell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yi Zhang 2014-06-03 21:03:08 +08:00 committed by Greg Kroah-Hartman
parent 88513624be
commit b28e7d5807

View file

@ -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);