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bluetooth pull request for net:

Browse source 
- btusb: Always allow SCO packets for user channel
  - L2CAP: Fix L2CAP_ECRED_CONN_RSP response
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Merge tag 'for-net-2025-02-21' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth

Luiz Augusto von Dentz says:

====================
bluetooth pull request for net:

 - btusb: Always allow SCO packets for user channel
 - L2CAP: Fix L2CAP_ECRED_CONN_RSP response

* tag 'for-net-2025-02-21' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
  Bluetooth: L2CAP: Fix L2CAP_ECRED_CONN_RSP response
  Bluetooth: Always allow SCO packets for user channel
====================

Link: https://patch.msgid.link/20250221154941.2139043-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2025-02-21 15:56:42 -08:00
commit fde9836c40
2 changed files with 11 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/bluetooth/btusb.c
View file

@ -2102,7 +2102,8 @@ 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);
@ -2576,7 +2577,8 @@ 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);

9
net/bluetooth/l2cap_core.c
View file

@ -632,7 +632,8 @@ void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
test_bit(FLAG_HOLD_HCI_CONN, &chan->flags))
hci_conn_hold(conn->hcon);
list_add(&chan->list, &conn->chan_l);
/* Append to the list since the order matters for ECRED */
list_add_tail(&chan->list, &conn->chan_l);
}
void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
@ -3771,7 +3772,11 @@ static void l2cap_ecred_rsp_defer(struct l2cap_chan *chan, void *data)
struct l2cap_ecred_conn_rsp *rsp_flex =
container_of(&rsp->pdu.rsp, struct l2cap_ecred_conn_rsp, hdr);
if (test_bit(FLAG_ECRED_CONN_REQ_SENT, &chan->flags))
/* Check if channel for outgoing connection or if it wasn't deferred
* since in those cases it must be skipped.
*/
if (test_bit(FLAG_ECRED_CONN_REQ_SENT, &chan->flags) ||
!test_and_clear_bit(FLAG_DEFER_SETUP, &chan->flags))
return;
/* Reset ident so only one response is sent */