From: Hsin-chen Chuang <chharry@xxxxxxxxxxxx>
The SCO packets from Bluetooth raw socket are now rejected because
hci_conn_num is left 0. This patch allows such the usecase to enable
the userspace SCO support.
Fixes: b16b327edb4d ("Bluetooth: btusb: add sysfs attribute to control USB alt setting")
Signed-off-by: Hsin-chen Chuang <chharry@xxxxxxxxxxxx>
---
drivers/bluetooth/btusb.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 1caf7a071a73..de3fa725d210 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2130,7 +2130,8 @@ static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
return submit_or_queue_tx_urb(hdev, urb);
case HCI_SCODATA_PKT:
- if (hci_conn_num(hdev, SCO_LINK) < 1)
+ if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
+ hci_conn_num(hdev, SCO_LINK) < 1)
return -ENODEV;
urb = alloc_isoc_urb(hdev, skb);
@@ -2604,7 +2605,8 @@ static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
return submit_or_queue_tx_urb(hdev, urb);
case HCI_SCODATA_PKT:
- if (hci_conn_num(hdev, SCO_LINK) < 1)
+ if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
+ hci_conn_num(hdev, SCO_LINK) < 1)
return -ENODEV;
urb = alloc_isoc_urb(hdev, skb);
--
2.48.1.601.g30ceb7b040-goog
