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

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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
1 changed files with 0 additions and 1 deletions
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1
drivers/staging/android/timed_output.c
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@ -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);