From debdedf2eb5a2d9777cabff40900772be13cd9f9 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Thu, 5 Mar 2020 16:28:39 +0100 Subject: [PATCH] Bluetooth: Fix calculation of SCO handle for packet processing When processing SCO packets, the handle is wrongly assumed as 16-bit value. The actual size is 12-bits and the other 4-bits are used for packet flags. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- net/bluetooth/hci_core.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 4e6d61a95b20..6a88954e67c0 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -4387,13 +4387,16 @@ static void hci_scodata_packet(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_sco_hdr *hdr = (void *) skb->data; struct hci_conn *conn; - __u16 handle; + __u16 handle, flags; skb_pull(skb, HCI_SCO_HDR_SIZE); handle = __le16_to_cpu(hdr->handle); + flags = hci_flags(handle); + handle = hci_handle(handle); - BT_DBG("%s len %d handle 0x%4.4x", hdev->name, skb->len, handle); + BT_DBG("%s len %d handle 0x%4.4x flags 0x%4.4x", hdev->name, skb->len, + handle, flags); hdev->stat.sco_rx++;