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Bluetooth: Disconnect logical link when deleting chan 

Disconnect logical link for high speed channel hs_hchan
associated with L2CAP channel chan.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
This commit is contained in:
Andrei Emeltchenko 2012-10-31 15:46:34 +02:00 committed by Gustavo Padovan
parent e58917b990
commit 419e08c112
3 changed files with 22 additions and 0 deletions
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1
include/net/bluetooth/amp.h
View File

@ -47,6 +47,7 @@ void amp_accept_phylink(struct hci_dev *hdev, struct amp_mgr *mgr,
void amp_write_remote_assoc(struct hci_dev *hdev, u8 handle);
void amp_write_rem_assoc_continue(struct hci_dev *hdev, u8 handle);
void amp_create_logical_link(struct l2cap_chan *chan);
void amp_disconnect_logical_link(struct hci_chan *hchan);
void amp_destroy_logical_link(struct hci_chan *hchan, u8 reason);
#endif /* __AMP_H */

14
net/bluetooth/amp.c
View File

@ -422,6 +422,20 @@ done:
hci_dev_put(hdev);
}
void amp_disconnect_logical_link(struct hci_chan *hchan)
{
struct hci_conn *hcon = hchan->conn;
struct hci_cp_disconn_logical_link cp;
if (hcon->state != BT_CONNECTED) {
BT_DBG("hchan %p not connected", hchan);
return;
}
cp.log_handle = cpu_to_le16(hchan->handle);
hci_send_cmd(hcon->hdev, HCI_OP_DISCONN_LOGICAL_LINK, sizeof(cp), &cp);
}
void amp_destroy_logical_link(struct hci_chan *hchan, u8 reason)
{
BT_DBG("hchan %p", hchan);

7
net/bluetooth/l2cap_core.c
View File

@ -578,6 +578,13 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
mgr->bredr_chan = NULL;
}
if (chan->hs_hchan) {
struct hci_chan *hs_hchan = chan->hs_hchan;
BT_DBG("chan %p disconnect hs_hchan %p", chan, hs_hchan);
amp_disconnect_logical_link(hs_hchan);
}
chan->ops->teardown(chan, err);
if (test_bit(CONF_NOT_COMPLETE, &chan->conf_state))