Commit c30b93ea authored Dec 07, 2017 by David Lechner Committed by Marcel Holtmann Dec 13, 2017

Bluetooth: hci_ll: Add endianness conversion when setting baudrate



This adds an endianness conversion when setting the baudrate using a
vendor-specific command. Otherwise, bad things might happen on a big-
endian system.

Suggested-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

parent 7c6ca120

drivers/bluetooth/hci_ll.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -707,10 +707,12 @@ static int ll_setup(struct hci_uart *hu)
		speed = 0;

		if (speed) {
		__le32 speed_le = cpu_to_le32(speed);
		struct sk_buff *skb;

		skb = __hci_cmd_sync(hu->hdev, HCI_VS_UPDATE_UART_HCI_BAUDRATE,
		sizeof(speed), &speed, HCI_INIT_TIMEOUT);
		sizeof(speed_le), &speed_le,
		HCI_INIT_TIMEOUT);
		if (!IS_ERR(skb)) {
		kfree_skb(skb);
		serdev_device_set_baudrate(serdev, speed);