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From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Stephen Boyd <sboyd@kernel.org>,
	Guenter Roeck <linux@roeck-us.net>,
	Marcel Holtmann <marcel@holtmann.org>,
	Johan Hedberg <johan.hedberg@gmail.com>,
	Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
	linux-bluetooth@vger.kernel.org
Subject: [RFC][PATCH v2 08/31] timers: Bluetooth: Use del_timer_shutdown() before freeing timer
Date: Thu, 27 Oct 2022 11:05:33 -0400	[thread overview]
Message-ID: <20221027150926.587581591@goodmis.org> (raw)
In-Reply-To: 20221027150525.753064657@goodmis.org

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

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

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

Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Cc: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Cc: linux-bluetooth@vger.kernel.org
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---
 drivers/bluetooth/hci_bcsp.c | 2 +-
 drivers/bluetooth/hci_h5.c   | 2 +-
 drivers/bluetooth/hci_qca.c  | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c
index cf4a56095817..69caaff37141 100644
--- a/drivers/bluetooth/hci_bcsp.c
+++ b/drivers/bluetooth/hci_bcsp.c
@@ -737,7 +737,7 @@ static int bcsp_close(struct hci_uart *hu)
 {
 	struct bcsp_struct *bcsp = hu->priv;
 
-	del_timer_sync(&bcsp->tbcsp);
+	del_timer_shutdown(&bcsp->tbcsp);
 
 	hu->priv = NULL;
 
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index c5a0409ef84f..08a36ea9eea9 100644
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -253,7 +253,7 @@ static int h5_close(struct hci_uart *hu)
 {
 	struct h5 *h5 = hu->priv;
 
-	del_timer_sync(&h5->timer);
+	del_timer_shutdown(&h5->timer);
 
 	skb_queue_purge(&h5->unack);
 	skb_queue_purge(&h5->rel);
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 8df11016fd51..1796166ba35d 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -697,8 +697,8 @@ static int qca_close(struct hci_uart *hu)
 	skb_queue_purge(&qca->txq);
 	skb_queue_purge(&qca->rx_memdump_q);
 	destroy_workqueue(qca->workqueue);
-	del_timer_sync(&qca->tx_idle_timer);
-	del_timer_sync(&qca->wake_retrans_timer);
+	del_timer_shutdown(&qca->tx_idle_timer);
+	del_timer_shutdown(&qca->wake_retrans_timer);
 	qca->hu = NULL;
 
 	kfree_skb(qca->rx_skb);
-- 
2.35.1

  parent reply	other threads:[~2022-10-27 15:10 UTC|newest]

Thread overview: 109+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-27 15:05 [RFC][PATCH v2 00/31] timers: Use del_timer_shutdown() before freeing timers Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 01/31] timers: Add del_timer_shutdown() to be called " Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 02/31] timers: s390/cmm: Use del_timer_shutdown() before freeing timer Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 03/31] timers: sh: " Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 05/31] timers: ACPI: " Steven Rostedt
2022-10-28 16:56   ` Rafael J. Wysocki
2022-11-01  1:11   ` Jarkko Sakkinen
2022-10-27 15:05 ` [RFC][PATCH v2 06/31] timers: atm: " Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 07/31] timers: PM: Use del_timer_shutdown() Steven Rostedt
2022-10-28 17:45   ` Rafael J. Wysocki
2022-10-27 15:05 ` Steven Rostedt [this message]
2022-10-29  0:12   ` [RFC][PATCH v2 08/31] timers: Bluetooth: Use del_timer_shutdown() before freeing timer Luiz Augusto von Dentz
2022-10-29  0:33     ` Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 09/31] timers: hangcheck: " Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 10/31] timers: ipmi: " Steven Rostedt
2022-10-27 15:20   ` Corey Minyard
2022-10-27 15:22     ` Corey Minyard
2022-10-27 15:31       ` Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 11/31] timers: random: " Steven Rostedt
2022-10-27 15:55   ` Jason A. Donenfeld
2022-10-27 15:05 ` [RFC][PATCH v2 14/31] timers: HID: " Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 16/31] timers: mISDN: " Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 17/31] timers: leds: " Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 19/31] timers: net: " Steven Rostedt
2022-10-27 19:55   ` Steven Rostedt
2022-10-27 20:15     ` Linus Torvalds
2022-10-27 20:34       ` Steven Rostedt
2022-10-27 20:48         ` Linus Torvalds
2022-10-27 21:07           ` Steven Rostedt
2022-10-27 21:15             ` Steven Rostedt
2022-10-27 22:35             ` Steven Rostedt
2022-10-28 22:31               ` Steven Rostedt
2022-10-28 22:46                 ` Jakub Kicinski
2022-10-30 17:22                   ` Paolo Abeni
2022-11-03 21:51                     ` Steven Rostedt
2022-11-04  0:00                       ` Eric Dumazet
2022-11-04  5:51                         ` Steven Rostedt
2022-11-04 16:14                           ` Guenter Roeck
2022-10-27 21:07         ` Steven Rostedt
2022-10-28 15:16           ` Guenter Roeck
2022-10-27 15:05 ` [RFC][PATCH v2 20/31] timers: usb: " Steven Rostedt
2022-10-27 20:38   ` Alan Stern
2022-10-27 20:42     ` Steven Rostedt
2022-10-27 21:22       ` Steven Rostedt
2022-10-28  5:23   ` Guenter Roeck
2022-10-28 10:14     ` Steven Rostedt
2022-10-28 14:00       ` Steven Rostedt
2022-10-28 18:01     ` Steven Rostedt
2022-10-28 18:10       ` Steven Rostedt
2022-10-28 19:59         ` Guenter Roeck
2022-10-28 20:40           ` Steven Rostedt
2022-10-28 23:25             ` Guenter Roeck
2022-10-28 23:29               ` Steven Rostedt
2022-10-29 14:52           ` Guenter Roeck
2022-10-29 19:19             ` Steven Rostedt
2022-10-29 22:56               ` Guenter Roeck
2022-10-30 15:48                 ` Steven Rostedt
2022-10-31 15:50                   ` Guenter Roeck
2022-10-31 20:14                     ` Guenter Roeck
2022-10-27 15:05 ` [RFC][PATCH v2 21/31] timers: cgroup: " Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 22/31] timers: workqueue: " Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 23/31] timers: nfc: pn533: " Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 24/31] timers: pcmcia: " Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 25/31] timers: scsi: " Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 26/31] timers: tty: " Steven Rostedt
2022-10-31  8:34   ` Jiri Slaby
2022-10-27 15:05 ` [RFC][PATCH v2 27/31] timers: ext4: " Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 28/31] timers: fs/nilfs2: " Steven Rostedt
2022-10-28  5:12   ` Ryusuke Konishi
2022-10-27 15:05 ` [RFC][PATCH v2 29/31] timers: ALSA: " Steven Rostedt
2022-10-28  9:17   ` Takashi Iwai
2022-10-27 15:05 ` [RFC][PATCH v2 30/31] timers: x86/mce: Use __init_timer() for resetting timers Steven Rostedt
2022-10-27 15:05 ` [RFC][PATCH v2 31/31] timers: Expand DEBUG_OBJECTS_TIMER to check if it ever was used Steven Rostedt
     [not found] ` <20221027150925.819019339@goodmis.org>
2022-10-27 15:19   ` [RFC][PATCH v2 04/31] timers: block: Use del_timer_shutdown() before freeing timer Steven Rostedt
2022-10-28  8:26     ` Christoph Hellwig
2022-10-28 10:24       ` Steven Rostedt
2022-10-28 13:56         ` Jens Axboe
2022-10-28 14:06           ` Steven Rostedt
2022-10-28 14:11             ` Jens Axboe
2022-10-28 14:30               ` Steven Rostedt
2022-10-28 15:11   ` Guenter Roeck
     [not found] ` <20221027150927.371916000@goodmis.org>
2022-10-27 15:20   ` [RFC][PATCH v2 12/31] timers: dma-buf: " Steven Rostedt
     [not found] ` <20221027150927.611233945@goodmis.org>
2022-10-27 15:20   ` [RFC][PATCH v2 13/31] timers: drm: " Steven Rostedt
     [not found] ` <20221027150927.992061541@goodmis.org>
2022-10-27 15:21   ` [RFC][PATCH v2 15/31] timers: Input: " Steven Rostedt
2022-10-27 16:38     ` Dmitry Torokhov
2022-10-27 15:52 ` [RFC][PATCH v2 00/31] timers: Use del_timer_shutdown() before freeing timers Jason A. Donenfeld
2022-10-27 16:01   ` Sebastian Andrzej Siewior
2022-10-27 17:23     ` Steven Rostedt
2022-10-27 18:58 ` Guenter Roeck
2022-10-27 19:02   ` Steven Rostedt
2022-10-27 19:11     ` Guenter Roeck
2022-10-27 19:11     ` Linus Torvalds
2022-10-27 19:16       ` Steven Rostedt
2022-10-27 19:44         ` Guenter Roeck
2022-10-27 19:20   ` Steven Rostedt
2022-10-27 19:27     ` Steven Rostedt
2022-10-27 19:38       ` Guenter Roeck
2022-10-27 22:24 ` Guenter Roeck
2022-10-27 22:58   ` Steven Rostedt
2022-10-27 23:24     ` Guenter Roeck
2022-10-27 23:55       ` Steven Rostedt
2022-10-28  0:54         ` Guenter Roeck
2022-10-28 15:30     ` Guenter Roeck
2022-10-28 16:10     ` Guenter Roeck
     [not found] ` <20221028021815.3130-1-hdanton@sina.com>
2022-10-28  3:17   ` [RFC][PATCH v2 20/31] timers: usb: Use del_timer_shutdown() before freeing timer Steven Rostedt
2022-10-28 18:50 ` [RFC][PATCH v2 00/31] timers: Use del_timer_shutdown() before freeing timers Steven Rostedt
2022-10-28 20:12   ` Trond Myklebust
2022-10-28 20:49     ` Steven Rostedt
2022-10-28 21:57       ` Trond Myklebust

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