Bluetooth: btusb: Remove detection of ISO packets over bulk

[ Upstream commit efe375b716 ]

This removes the code introduced by
14202eff21 as hci_recv_frame is now able
to detect ACL packets that are in fact ISO packets.

Fixes: 14202eff21 ("Bluetooth: btusb: Detect if an ACL packet is in fact an ISO packet")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Luiz Augusto von Dentz 2023-02-24 15:54:31 -08:00 committed by Greg Kroah-Hartman
parent f770ce652b
commit e0338af405

View file

@ -1020,21 +1020,11 @@ static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
hci_skb_expect(skb) -= len;
if (skb->len == HCI_ACL_HDR_SIZE) {
__u16 handle = __le16_to_cpu(hci_acl_hdr(skb)->handle);
__le16 dlen = hci_acl_hdr(skb)->dlen;
__u8 type;
/* Complete ACL header */
hci_skb_expect(skb) = __le16_to_cpu(dlen);
/* Detect if ISO packet has been sent over bulk */
if (hci_conn_num(data->hdev, ISO_LINK)) {
type = hci_conn_lookup_type(data->hdev,
hci_handle(handle));
if (type == ISO_LINK)
hci_skb_pkt_type(skb) = HCI_ISODATA_PKT;
}
if (skb_tailroom(skb) < hci_skb_expect(skb)) {
kfree_skb(skb);
skb = NULL;