From b28e7d5807051184270c40d4bc48db947189f107 Mon Sep 17 00:00:00 2001
From: Yi Zhang <yizhang@marvell.com>
Date: Tue, 3 Jun 2014 21:03:08 +0800
Subject: [PATCH] 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>
---
drivers/staging/android/timed_output.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/staging/android/timed_output.c b/drivers/staging/android/timed_output.c
index 2c617834dc46c..c341ac11c5a3d 100644
--- 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);
--
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