linux-kernel - [RFC][PATCH v2 09/31] timers: hangcheck: Use del_timer

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Date:   Thu, 27 Oct 2022 11:05:34 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     linux-kernel@...r.kernel.org
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Stephen Boyd <sboyd@...nel.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [RFC][PATCH v2 09/31] timers: hangcheck: Use del_timer_shutdown() before freeing timer

From: "Steven Rostedt (Google)" <rostedt@...dmis.org>

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

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

Cc: Arnd Bergmann <arnd@...db.de>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
---
 drivers/char/hangcheck-timer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hangcheck-timer.c b/drivers/char/hangcheck-timer.c
index 4181bcc1c796..0b7e8758746c 100644
--- a/drivers/char/hangcheck-timer.c
+++ b/drivers/char/hangcheck-timer.c
@@ -167,7 +167,7 @@ static int __init hangcheck_init(void)
 
 static void __exit hangcheck_exit(void)
 {
-	del_timer_sync(&hangcheck_ticktock);
+	del_timer_shutdown(&hangcheck_ticktock);
         printk("Hangcheck: Stopped hangcheck timer.\n");
 }
 
-- 
2.35.1