Bluetooth: Make mgmt_device_found() return void

The return value of mgmt_device_found() function is not used
and so just change it to return void.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

include/net/bluetooth/hci_core.h

@@ -1140,7 +1140,7 @@ int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
 int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
 int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
 					    u8 *randomizer, u8 status);
-int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
+void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
 		       u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name,
 		       u8 ssp, u8 *eir, u16 eir_len);
 int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,

net/bluetooth/mgmt.c

@@ -4524,7 +4524,7 @@ int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
 	return err;
 }
 
-int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
+void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
 		       u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, u8
 		       ssp, u8 *eir, u16 eir_len)
 {
@@ -4533,11 +4533,11 @@ int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
 	size_t ev_size;
 
 	if (!hci_discovery_active(hdev))
-		return -EPERM;
+		return;
 
 	/* Leave 5 bytes for a potential CoD field */
 	if (sizeof(*ev) + eir_len + 5 > sizeof(buf))
-		return -EINVAL;
+		return;
 
 	memset(buf, 0, sizeof(buf));
 
@@ -4559,7 +4559,7 @@ int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
 	ev->eir_len = cpu_to_le16(eir_len);
 	ev_size = sizeof(*ev) + eir_len;
 
-	return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
+	mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
 }
 
 int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,