Bluetooth: mgmt: Fix clear_uuids response

Since the clear_uuids operation doesn't send an immediate HCI command
but just sets off a timer to wait for subsequent add_uuid calls it
doesn't make sense to wait until the timer fires off to send the
response. Instead send the response immediately.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 19 insertions, 4 deletions

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 7a906d6e0236..07e31f73f703 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1394,6 +1394,20 @@ failed:
         return err;
 }
 
+static bool enable_service_cache(struct hci_dev *hdev)
+{
+        if (!hdev_is_powered(hdev))
+                return false;
+
+        if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
+                schedule_delayed_work(&hdev->service_cache,
+                                msecs_to_jiffies(SERVICE_CACHE_TIMEOUT));
+                return true;
+        }
+
+        return false;
+}
+
 static int remove_uuid(struct sock *sk, u16 index, void *data, u16 len)
 {
         struct mgmt_cp_remove_uuid *cp = data;
@@ -1425,10 +1439,11 @@ static int remove_uuid(struct sock *sk, u16 index, void *data, u16 len)
         if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
                 err = hci_uuids_clear(hdev);
 
-                if (hdev_is_powered(hdev) &&
-                                !test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
-                        schedule_delayed_work(&hdev->service_cache,
-                                        msecs_to_jiffies(SERVICE_CACHE_TIMEOUT));
+                if (enable_service_cache(hdev)) {
+                        err = cmd_complete(sk, index, MGMT_OP_REMOVE_UUID, 0,
+                                                        hdev->dev_class, 3);
+                        goto unlock;
+                }
 
                 goto update_class;
         }