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Subject[RFC][PATCH v3 02/33] timers: s390/cmm: Use timer_shutdown_sync() before freeing timer
From: "Steven Rostedt (Google)" <rostedt@goodmis.org>

Before a timer is freed, timer_shutdown_sync() must be called.

Link: https://lore.kernel.org/all/20220407161745.7d6754b3@gandalf.local.home/

Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: linux-s390@vger.kernel.org
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---
arch/s390/mm/cmm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index 9141ed4c52e9..1a0a8aa43ac6 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -419,7 +419,7 @@ static int __init cmm_init(void)
#endif
unregister_sysctl_table(cmm_sysctl_header);
out_sysctl:
- del_timer_sync(&cmm_timer);
+ timer_shutdown_sync(&cmm_timer);
return rc;
}
module_init(cmm_init);
@@ -432,7 +432,7 @@ static void __exit cmm_exit(void)
#endif
unregister_oom_notifier(&cmm_oom_nb);
kthread_stop(cmm_thread_ptr);
- del_timer_sync(&cmm_timer);
+ timer_shutdown_sync(&cmm_timer);
cmm_free_pages(cmm_pages, &cmm_pages, &cmm_page_list);
cmm_free_pages(cmm_timed_pages, &cmm_timed_pages, &cmm_timed_page_list);
}
--
2.35.1
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