df_03_sysfs_release_fix.patch

Some attributes are allocated dynamically (e.g. module and device
parameters) and are usually deallocated when the assoicated kobject is
released.  So, it's not safe to access attr after putting the kobject.
Signed-off-by: Tejun Heo <tj@home-tj.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>