Bluetooth: ISO: Fix not unbind if ACL has been disconnected

Vudentz · nashif · commit 0eb4bfee3fa5 · 2021-03-23T17:49:08.000-04:00
If ACL has been disconnected any ISO handle shall be considered invalid
as well.

Signed-off-by: Luiz Augusto von Dentz &lt;luiz.von.dentz@intel.com&gt;
diff --git a/subsys/bluetooth/host/iso.c b/subsys/bluetooth/host/iso.c
@@ -777,8 +777,9 @@ static void bt_iso_chan_disconnected(struct bt_iso_chan *chan)
 
 	bt_iso_chan_set_state(chan, BT_ISO_BOUND);
 
-	/* Unbind if acting as slave */
-	if (chan->conn->role == BT_HCI_ROLE_SLAVE) {
+	/* Unbind if acting as slave or ACL has been disconnected */
+	if (chan->conn->role == BT_HCI_ROLE_SLAVE ||
+	    chan->conn->iso.acl->state == BT_CONN_DISCONNECTED) {
 		bt_iso_chan_unbind(chan);
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -777,8 +777,9 @@ static void bt_iso_chan_disconnected(struct bt_iso_chan *chan)`
`777`	`777`
`778`	`778`	`bt_iso_chan_set_state(chan, BT_ISO_BOUND);`
`779`	`779`
`780`		`- /* Unbind if acting as slave */`
`781`		`- if (chan->conn->role == BT_HCI_ROLE_SLAVE) {`
	`780`	`+ /* Unbind if acting as slave or ACL has been disconnected */`
	`781`	`+ if (chan->conn->role == BT_HCI_ROLE_SLAVE \|\|`
	`782`	`+ chan->conn->iso.acl->state == BT_CONN_DISCONNECTED) {`
`782`	`783`	`bt_iso_chan_unbind(chan);`
`783`	`784`	`}`
`784`	`785`