David Windsor e7a41b2769 dlm: check if workqueues are NULL before flushing/destroying ... [ Upstream commit b355516f450703c9015316e429b66a93dfff0e6f ] If the DLM lowcomms stack is shut down before any DLM traffic can be generated, flush_workqueue() and destroy_workqueue() can be called on empty send and/or recv workqueues. Insert guard conditionals to only call flush_workqueue() and destroy_workqueue() on workqueues that are not NULL. Signed-off-by: David Windsor <dwindsor@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2019-07-31 07:27:07 +02:00
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ast.c	dlm: Don't swamp the CPU with callbacks queued during recovery	2019-02-12 19:46:58 +01:00
ast.h
config.c	dlm: make config_item_type const	2017-10-19 16:15:22 +02:00
config.h
debug_fs.c	dlm: Improve a size determination in table_seq_start()	2017-08-07 11:23:09 -05:00
dir.c
dir.h
dlm_internal.h
Kconfig
lock.c	dlm: memory leaks on error path in dlm_user_request()	2019-01-13 09:51:07 +01:00
lock.h
lockspace.c	dlm: fixed memory leaks after failed ls_remove_names allocation	2019-01-13 09:51:07 +01:00
lockspace.h
lowcomms.c	dlm: check if workqueues are NULL before flushing/destroying	2019-07-31 07:27:07 +02:00
lowcomms.h
lvb_table.h
main.c
Makefile	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
member.c	dlm: Delete an unnecessary variable initialisation in dlm_ls_start()	2017-08-07 11:23:09 -05:00
member.h
memory.c
memory.h
midcomms.c
midcomms.h
netlink.c
plock.c	vfs: do bulk POLL* -> EPOLL* replacement	2018-02-11 14:34:03 -08:00
rcom.c	dlm: remove dlm_send_rcom_lookup_dump	2017-10-09 09:29:31 -05:00
rcom.h	dlm: remove dlm_send_rcom_lookup_dump	2017-10-09 09:29:31 -05:00
recover.c	DLM: retry rcom when dlm_wait_function is timed out.	2017-09-25 12:45:21 -05:00
recover.h
recoverd.c	dlm: recheck kthread_should_stop() before schedule()	2017-09-25 12:48:10 -05:00
recoverd.h
requestqueue.c
requestqueue.h
user.c	vfs: do bulk POLL* -> EPOLL* replacement	2018-02-11 14:34:03 -08:00
user.h
util.c
util.h