[PATCH 2/2] Bluetooth: Allow SCO packets regardless of hci_conn_num

From: Hsin-chen Chuang
Date: Tue Jan 21 2025 - 02:19:17 EST


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, 6 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f419d0827ee4..3e2d7ea6de5c 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2107,9 +2107,6 @@ 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)
- return -ENODEV;
-
urb = alloc_isoc_urb(hdev, skb);
if (IS_ERR(urb))
return PTR_ERR(urb);
@@ -2588,9 +2585,6 @@ 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)
- return -ENODEV;
-
urb = alloc_isoc_urb(hdev, skb);
if (IS_ERR(urb))
return PTR_ERR(urb);
--
2.48.0.rc2.279.g1de40edade-goog