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Subject[RFC][PATCH v3 08/33] timers: Bluetooth: 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: 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..834b2efaa9bf 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);
+ timer_shutdown_sync(&bcsp->tbcsp);

hu->priv = NULL;

diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index c5a0409ef84f..51f93ff5ebe8 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);
+ timer_shutdown_sync(&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..eb81296b284c 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);
+ timer_shutdown_sync(&qca->tx_idle_timer);
+ timer_shutdown_sync(&qca->wake_retrans_timer);
qca->hu = NULL;

kfree_skb(qca->rx_skb);
--
2.35.1
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