diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c
index be3e5bdea495..0c3ae8495afb 100644
--- a/drivers/staging/rtl8712/os_intfs.c
+++ b/drivers/staging/rtl8712/os_intfs.c
@@ -326,7 +326,7 @@ int r8712_init_drv_sw(struct _adapter *padapter)
 	return ret;
 }
 
-u8 r8712_free_drv_sw(struct _adapter *padapter)
+void r8712_free_drv_sw(struct _adapter *padapter)
 {
 	struct net_device *pnetdev = padapter->pnetdev;
 
@@ -341,7 +341,6 @@ u8 r8712_free_drv_sw(struct _adapter *padapter)
 	mp871xdeinit(padapter);
 	if (pnetdev)
 		free_netdev(pnetdev);
-	return _SUCCESS;
 }
 
 static void enable_video_mode(struct _adapter *padapter, int cbw40_value)
diff --git a/drivers/staging/rtl8712/usb_osintf.h b/drivers/staging/rtl8712/usb_osintf.h
index b649adedfe7c..2e512b4a564c 100644
--- a/drivers/staging/rtl8712/usb_osintf.h
+++ b/drivers/staging/rtl8712/usb_osintf.h
@@ -29,7 +29,7 @@ void r871x_dev_unload(struct _adapter *padapter);
 void r8712_stop_drv_threads(struct _adapter *padapter);
 void r8712_stop_drv_timers(struct _adapter *padapter);
 int r8712_init_drv_sw(struct _adapter *padapter);
-u8 r8712_free_drv_sw(struct _adapter *padapter);
+void r8712_free_drv_sw(struct _adapter *padapter);
 struct net_device *r8712_init_netdev(void);
 
 #endif