Bluetooth: Make mgmt_device_connected() return void

The return value of mgmt_device_connected() 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

@@ -1101,7 +1101,7 @@ int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
 int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
 int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
 		      bool persistent);
-int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
+void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
 			   u8 addr_type, u32 flags, u8 *name, u8 name_len,
 			   u8 *dev_class);
 int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,

net/bluetooth/mgmt.c

@@ -4056,7 +4056,7 @@ int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent)
 			  NULL);
 }
 
-int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
+void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
 			   u8 addr_type, u32 flags, u8 *name, u8 name_len,
 			   u8 *dev_class)
 {
@@ -4079,7 +4079,7 @@ int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
 
 	ev->eir_len = cpu_to_le16(eir_len);
 
-	return mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
+	mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
 		    sizeof(*ev) + eir_len, NULL);
 }