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>
diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c
index 974a788..efcfbe9 100644
--- a/drivers/bluetooth/hci_ll.c
+++ b/drivers/bluetooth/hci_ll.c
@@ -707,10 +707,12 @@
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);