On Wed, May 13, 2020 at 8:18 AM Heikki Krogerus <[email protected]> wrote: > > In the function kobject_cleanup(), kobject_del(kobj) is > called before the kobj->release(). That makes it possible to > release the parent of the kobject before the kobject itself. > > To fix that, adding function __kboject_del() that does > everything that kobject_del() does except release the parent > reference. kobject_cleanup() then calls __kobject_del() > instead of kobject_del(), and separately decrements the > reference count of the parent kobject after kobj->release() > has been called. > > Reported-by: Naresh Kamboju <[email protected]> > Reported-by: kernel test robot <[email protected]> > Fixes: 7589238a8cf3 ("Revert "software node: Simplify software_node_release() > function"") > Cc: Brendan Higgins <[email protected]> > Cc: Randy Dunlap <[email protected]> > Suggested-by: "Rafael J. Wysocki" <[email protected]> > Signed-off-by: Heikki Krogerus <[email protected]>
Reviewed-by: Brendan Higgins <[email protected]> Tested-by: Brendan Higgins <[email protected]>

