[PATCH 4.8 085/138] dm rq: clear kworker_task if kthread_run() returned an error

4.8-stable review patch. If anyone has any objections, please let me know. -- From: Mike Snitzer commit 937fa62e8a00d0b4bc2c0a40567d7c88ab2b2e8d upstream. cleanup_mapped_device() calls kthread_stop() if kworker_task is non-NULL. Currently the assigned

[PATCH 4.8 085/138] dm rq: clear kworker_task if kthread_run() returned an error

4.8-stable review patch. If anyone has any objections, please let me know. -- From: Mike Snitzer commit 937fa62e8a00d0b4bc2c0a40567d7c88ab2b2e8d upstream. cleanup_mapped_device() calls kthread_stop() if kworker_task is non-NULL. Currently the assigned value could be a valid