Merge tag 'wq-for-7.3-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue fixes from Tejun Heo:

 - Fix a NULL dereference in the chained work check when a kworker
   queues work on a draining or destroying workqueue outside work item
   execution.

* tag 'wq-for-7.3-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Fix NULL current_pwq deref in chained work check