diff options
Diffstat (limited to 'drivers/bluetooth/btusb.c')
| -rw-r--r-- | drivers/bluetooth/btusb.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 9521b7bcc22d..dfaaea2efecb 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -1277,6 +1277,20 @@ static void btusb_work(struct work_struct *work) clear_bit(BTUSB_ISOC_RUNNING, &data->flags); usb_kill_anchored_urbs(&data->isoc_anchor); + /* When isochronous alternate setting needs to be + * changed, because SCO connection has been added + * or removed, a packet fragment may be left in the + * reassembling state. This could lead to wrongly + * assembled fragments. + * + * Clear outstanding fragment when selecting a new + * alternate setting. + */ + spin_lock(&data->rxlock); + kfree_skb(data->sco_skb); + data->sco_skb = NULL; + spin_unlock(&data->rxlock); + if (__set_isoc_interface(hdev, new_alts) < 0) return; } |