netdev - [RFC][PATCH v2 06/31] timers: atm: Use del_timer

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Date:   Thu, 27 Oct 2022 11:05:31 -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>,
        Chas Williams <3chas3@...il.com>,
        linux-atm-general@...ts.sourceforge.net, netdev@...r.kernel.org
Subject: [RFC][PATCH v2 06/31] timers: atm: 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: Chas Williams <3chas3@...il.com>
Cc: linux-atm-general@...ts.sourceforge.net
Cc: netdev@...r.kernel.org
Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
---
 drivers/atm/idt77105.c | 4 ++--
 drivers/atm/idt77252.c | 4 ++--
 drivers/atm/iphase.c   | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/atm/idt77105.c b/drivers/atm/idt77105.c
index bfca7b8a6f31..2e7806ae251b 100644
--- a/drivers/atm/idt77105.c
+++ b/drivers/atm/idt77105.c
@@ -366,8 +366,8 @@ EXPORT_SYMBOL(idt77105_init);
 static void __exit idt77105_exit(void)
 {
 	/* turn off timers */
-	del_timer_sync(&stats_timer);
-	del_timer_sync(&restart_timer);
+	del_timer_shutdown(&stats_timer);
+	del_timer_shutdown(&restart_timer);
 }
 
 module_exit(idt77105_exit);
diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index 681cb3786794..fdb1151f1f32 100644
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -2213,7 +2213,7 @@ idt77252_init_ubr(struct idt77252_dev *card, struct vc_map *vc,
 	}
 	spin_unlock_irqrestore(&vc->lock, flags);
 	if (est) {
-		del_timer_sync(&est->timer);
+		del_timer_shutdown(&est->timer);
 		kfree(est);
 	}
 
@@ -3752,7 +3752,7 @@ static void __exit idt77252_exit(void)
 		card = idt77252_chain;
 		dev = card->atmdev;
 		idt77252_chain = card->next;
-		del_timer_sync(&card->tst_timer);
+		del_timer_shutdown(&card->tst_timer);
 
 		if (dev->phy->stop)
 			dev->phy->stop(dev);
diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
index 324148686953..74eed1816f58 100644
--- a/drivers/atm/iphase.c
+++ b/drivers/atm/iphase.c
@@ -3280,7 +3280,7 @@ static void __exit ia_module_exit(void)
 {
 	pci_unregister_driver(&ia_driver);
 
-	del_timer_sync(&ia_timer);
+	del_timer_shutdown(&ia_timer);
 }
 
 module_init(ia_module_init);
-- 
2.35.1