On Wed, May 27, 2020 at 03:57:15PM +0800, qiang.zh...@windriver.com wrote: > From: Zhang Qiang <qiang.zh...@windriver.com> > > The data structure member "wq->rescuer" was reset to a null pointer > in one if branch. It was passed to a call of the function "kfree" > in the callback function "rcu_free_wq" (which was eventually executed). > The function "kfree" does not perform more meaningful data processing > for a passed null pointer (besides immediately returning from such a call). > Thus delete this function call which became unnecessary with the referenced > software update. > > Fixes: def98c84b6cd ("workqueue: Fix spurious sanity check failures in > destroy_workqueue()") > > Suggested-by: Markus Elfring <markus.elfr...@web.de> > Signed-off-by: Zhang Qiang <qiang.zh...@windriver.com>
Applied to wq/for-5.8. Thanks. -- tejun