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authorDavid Lechner <david@lechnology.com>2017-12-07 20:22:19 -0600
committerMarcel Holtmann <marcel@holtmann.org>2017-12-13 00:28:41 +0100
commitc30b93eade2ad1d77695669f25ddeb3833588d3b (patch)
treed452b17e4d44bd526e33dfe84a47abc436fe89a2 /drivers/bluetooth
parent7c6ca1201e5e87513b27196138f06df9cbd09a7a (diff)
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>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/hci_ll.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c
index 974a78879d20..efcfbe9aac21 100644
--- a/drivers/bluetooth/hci_ll.c
+++ b/drivers/bluetooth/hci_ll.c
@@ -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);

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