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Bluetooth: call hci_le_conn_failed with hdev lock in hci_le_conn_failed

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[ Upstream commit 9fa6b4cda3 ]

hci_le_conn_failed function's documentation says that the caller must
hold hdev->lock. The only callsite that does not hold that lock is
hci_le_conn_failed. The other 3 callsites hold the hdev->lock very
locally. The solution is to hold the lock during the call to
hci_le_conn_failed.

Fixes: 3c857757ef ("Bluetooth: Add directed advertising support through connect()")
Signed-off-by: Niels Dossche <dossche.niels@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Niels Dossche
2022-03-16 16:33:50 +01:00
committed by Greg Kroah-Hartman
parent 876cfe1380
commit b441fcdff2
1 changed files with 2 additions and 0 deletions
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2
net/bluetooth/hci_conn.c
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@@ -508,7 +508,9 @@ static void le_conn_timeout(struct work_struct *work)
if (conn->role == HCI_ROLE_SLAVE) { if (conn->role == HCI_ROLE_SLAVE) {
/* Disable LE Advertising */ /* Disable LE Advertising */
le_disable_advertising(hdev); le_disable_advertising(hdev);
hci_dev_lock(hdev);
hci_le_conn_failed(conn, HCI_ERROR_ADVERTISING_TIMEOUT); hci_le_conn_failed(conn, HCI_ERROR_ADVERTISING_TIMEOUT);
hci_dev_unlock(hdev);
return; return;
} }