patch driver-core-fix-bug-in-class-device-code.patch added to gregkh-2.6 tree

This is a note to let you know that I've just added the patch titled

     Subject: Driver core: fix bug in class-device code

to my gregkh-2.6 tree.  Its filename is

     driver-core-fix-bug-in-class-device-code.patch

This tree can be found at 
    http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/


>From [email protected] Thu Apr  5 13:02:20 2007
From: Alan Stern <[email protected]>
Date: Thu, 5 Apr 2007 16:02:17 -0400 (EDT)
Subject: Driver core: fix bug in class-device code
To: Greg KH <[email protected]>
Cc: USB development list <[email protected]>
Message-ID: <[email protected]>


This patch (as878) fixes a straightforward use-after-free bug in the
class-device core.  Just because the object in question is deprecated
is no excuse for causing an oops.

Signed-off-by: Alan Stern <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

--- usb-2.6.orig/drivers/base/class.c
+++ usb-2.6/drivers/base/class.c
@@ -199,6 +199,11 @@ void class_unregister(struct class * cls
 {
 	pr_debug("device class '%s': unregistering\n", cls->name);
 
+#ifdef CONFIG_SYSFS_DEPRECATED_FUTURE
+	kobject_del(&cls->class_dir_depr);
+	kobject_put(&cls->class_dir_depr);
+#endif
+
 	if (cls->bus)
 		put_bus(cls->bus);
 	else {
@@ -206,11 +211,6 @@ void class_unregister(struct class * cls
 		kset_unregister(&cls->devices_dir);
 		subsystem_unregister(&cls->subsys);
 	}
-
-#ifdef CONFIG_SYSFS_DEPRECATED_FUTURE
-	kobject_del(&cls->class_dir_depr);
-	kobject_put(&cls->class_dir_depr);
-#endif
 }
 
 static void class_create_release(struct class *cls)


Patches currently in gregkh-2.6 which might be from [email protected] are


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