From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
ops->teardown takes care about deleting queued callbacks for all AMP
controllers.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
---
include/net/bluetooth/hci_core.h | 1 +
net/bluetooth/a2mp.c | 17 ++++++++++++++++-
net/bluetooth/hci_core.c | 3 +--
3 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index ee4cc06..81c001e 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1124,5 +1124,6 @@ void hci_remove_cb(struct hci_dev *hdev, struct hci_cb_cmd *cmd);
void hci_queue_cb(struct hci_dev *hdev, struct hci_cb_cmd *cmd,
struct workqueue_struct *workqueue);
void hci_process_cb(struct hci_dev *hdev, __u16 opcode, u8 status);
+void hci_cb_clear(struct hci_dev *hdev);
#endif /* __HCI_CORE_H */
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 1133890..f4e83fc 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -444,16 +444,31 @@ static struct sk_buff *a2mp_chan_alloc_skb_cb(struct l2cap_chan *chan,
return bt_skb_alloc(len, GFP_KERNEL);
}
+static void a2mp_chan_teardown_cb(struct l2cap_chan *chan, int err)
+{
+ struct hci_dev *hdev, *tmp;
+
+ BT_DBG("chan %p", chan);
+
+ list_for_each_entry_safe(hdev, tmp, &hci_dev_list, list) {
+ hci_dev_hold(hdev);
+ /* Iterate through AMP controllers */
+ if (hdev->amp_type == HCI_AMP)
+ hci_cb_clear(hdev);
+ hci_dev_put(hdev);
+ }
+}
+
static struct l2cap_ops a2mp_chan_ops = {
.name = "L2CAP A2MP channel",
.recv = a2mp_chan_recv_cb,
.close = a2mp_chan_close_cb,
.state_change = a2mp_chan_state_change_cb,
.alloc_skb = a2mp_chan_alloc_skb_cb,
+ .teardown = a2mp_chan_teardown_cb,
/* Not implemented for A2MP */
.new_connection = l2cap_chan_no_new_connection,
- .teardown = l2cap_chan_no_teardown,
.ready = l2cap_chan_no_ready,
};
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 7c50214..bee7bd4 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -36,7 +36,6 @@
static void hci_rx_work(struct work_struct *work);
static void hci_cmd_work(struct work_struct *work);
static void hci_tx_work(struct work_struct *work);
-static void hci_cb_clear(struct hci_dev *hdev);
/* HCI device list */
LIST_HEAD(hci_dev_list);
@@ -2220,7 +2219,7 @@ void hci_remove_cb(struct hci_dev *hdev, struct hci_cb_cmd *cmd)
}
}
-static void hci_cb_clear(struct hci_dev *hdev)
+void hci_cb_clear(struct hci_dev *hdev)
{
struct hci_cb_cmd *cmd, *tmp;
--
1.7.9.5
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