staging: wilc1000: change return type to 'void' for lock init & deinit functions

Cleanup patch to use 'void' return type for wlan_deinit_locks() &
wlan_init_locks(), as same value is return.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/linux_wlan.c

@@ -522,7 +522,7 @@ static int linux_wlan_init_test_config(struct net_device *dev,
 	return -1;
 }
 
-static int wlan_deinit_locks(struct net_device *dev)
+static void wlan_deinit_locks(struct net_device *dev)
 {
 	struct wilc_vif *vif = netdev_priv(dev);
 	struct wilc *wilc = vif->wilc;
@@ -530,8 +530,6 @@ static int wlan_deinit_locks(struct net_device *dev)
 	mutex_destroy(&wilc->hif_cs);
 	mutex_destroy(&wilc->rxq_cs);
 	mutex_destroy(&wilc->txq_add_to_head_cs);
-
-	return 0;
 }
 
 static void wlan_deinitialize_threads(struct net_device *dev)
@@ -585,7 +583,7 @@ static void wilc_wlan_deinitialize(struct net_device *dev)
 	}
 }
 
-static int wlan_init_locks(struct net_device *dev)
+static void wlan_init_locks(struct net_device *dev)
 {
 	struct wilc_vif *vif = netdev_priv(dev);
 	struct wilc *wl = vif->wilc;
@@ -601,8 +599,6 @@ static int wlan_init_locks(struct net_device *dev)
 	init_completion(&wl->cfg_event);
 	init_completion(&wl->sync_event);
 	init_completion(&wl->txq_thread_started);
-
-	return 0;
 }
 
 static int wlan_initialize_threads(struct net_device *dev)