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Code Issues Releases Wiki Activity

Bluetooth: hci_sync: hold hdev->lock when cleanup hci_conn 

When disconnecting all devices, hci_conn_failed is used to cleanup
hci_conn object when the hci_conn object cannot be aborted.
The function hci_conn_failed requires the caller holds hdev->lock.

Fixes: 9b3628d79b ("Bluetooth: hci_sync: Cleanup hci_conn if it cannot be aborted")
Signed-off-by: Zhengping Jiang <jiangzp@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Zhengping Jiang 2022-08-23 10:28:08 -07:00 committed by Luiz Augusto von Dentz
parent a112ff247a
commit b828854871
1 changed files with 4 additions and 2 deletions
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6
net/bluetooth/hci_sync.c
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@ -5034,9 +5034,11 @@ int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, u8 reason)
/* Cleanup hci_conn object if it cannot be cancelled as it
* likelly means the controller and host stack are out of sync.
*/
if (err)
if (err) {
hci_dev_lock(hdev);
hci_conn_failed(conn, err);
hci_dev_unlock(hdev);
}
return err;
case BT_CONNECT2:
return hci_reject_conn_sync(hdev, conn, reason);