On Thu, Dec 12, 2013 at 11:17:08PM +0400, Vladimir Davydov wrote: > Calling cgroup_unload_subsys() from cgroup_load_subsys() after > online_css() failure will result in a NULL ptr dereference on attempt to > offline_css(), because online_css() only assigns css to cgroup on > success. Let's fix that by skipping calls to offline_css() and > css_free() in cgroup_unload_subsys() if there is no css, and freeing css > in cgroup_load_subsys() on online_css() failure. > > Signed-off-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx> > Cc: Tejun Heo <tj@xxxxxxxxxx> > Cc: Li Zefan <lizefan@xxxxxxxxxx> Applied to cgroup/for-3.14. Thanks! -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
