On 2022/8/17 10:31, Muchun Song wrote: > > >> On Aug 16, 2022, at 21:05, Miaohe Lin <linmiaohe@xxxxxxxxxx> wrote: >> >> If sysfs_create_group() fails with hstate_attr_group, hstate_kobjs[hi] >> will be set to NULL. Then it will be passed to sysfs_create_group() if >> h->demote_order != 0 thus triggering WARN_ON(!kobj) check. Fix this by >> making sure hstate_kobjs[hi] != NULL when calling sysfs_create_group. >> >> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> > > It’s better to add a Fixes tag here. Will add it in next version. Thanks for your review and comment. Thanks, Miaohe Lin > > Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> > > Thanks. > > . >
