1 files changed, 32 insertions, 0 deletions

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 64875794dd9b..fe646211c61f 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -989,3 +989,35 @@ void hci_chan_list_flush(struct hci_conn *conn)
         list_for_each_entry_safe(chan, n, &conn->chan_list, list)
                 hci_chan_del(chan);
 }
+
+static struct hci_chan *__hci_chan_lookup_handle(struct hci_conn *hcon,
+                                                 __u16 handle)
+{
+        struct hci_chan *hchan;
+
+        list_for_each_entry(hchan, &hcon->chan_list, list) {
+                if (hchan->handle == handle)
+                        return hchan;
+        }
+
+        return NULL;
+}
+
+struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle)
+{
+        struct hci_conn_hash *h = &hdev->conn_hash;
+        struct hci_conn *hcon;
+        struct hci_chan *hchan = NULL;
+
+        rcu_read_lock();
+
+        list_for_each_entry_rcu(hcon, &h->list, list) {
+                hchan = __hci_chan_lookup_handle(hcon, handle);
+                if (hchan)
+                        break;
+        }
+
+        rcu_read_unlock();
+
+        return hchan;
+}