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Merge tag 'for-net-2022-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth

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Luiz Augusto von Dentz says:

====================
bluetooth pull request for net:

 - Fix deadlock when powering on.

* tag 'for-net-2022-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
  Bluetooth: core: Fix deadlock on hci_power_on_sync.
====================

Link: https://lore.kernel.org/r/20220705202700.1689796-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski
2022-07-05 14:42:09 -07:00
parent 029cc09634 e36bea6e78
commit 26c12725b4
2 changed files with 3 additions and 1 deletions
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net/bluetooth/hci_core.c
+3
View File
@@ -571,6 +571,7 @@ int hci_dev_close(__u16 dev)
goto done;
}
cancel_work_sync(&hdev->power_on);
if (hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF))
cancel_delayed_work(&hdev->power_off);
@@ -2675,6 +2676,8 @@ void hci_unregister_dev(struct hci_dev *hdev)
list_del(&hdev->list);
write_unlock(&hci_dev_list_lock);
cancel_work_sync(&hdev->power_on);
hci_cmd_sync_clear(hdev);
if (!test_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks))
net/bluetooth/hci_sync.c
-1
View File
@@ -4088,7 +4088,6 @@ int hci_dev_close_sync(struct hci_dev *hdev)
bt_dev_dbg(hdev, "");
cancel_work_sync(&hdev->power_on);
cancel_delayed_work(&hdev->power_off);
cancel_delayed_work(&hdev->ncmd_timer);