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staging: android: timed_output: fix use after free of dev
author
Yi Zhang
<yizhang@marvell.com>
Tue, 3 Jun 2014 13:03:08 +0000
(21:03 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Fri, 20 Jun 2014 00:33:37 +0000
(17:33 -0700)
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>
drivers/staging/android/timed_output.c
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diff --git
a/drivers/staging/android/timed_output.c
b/drivers/staging/android/timed_output.c
index 2c617834dc46c8f81033638ba0043ab9eac7740e..c341ac11c5a3dc8260961a8dc144a6666049e234 100644
(file)
--- 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);