diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c
index f34a9635217b..6805f79ae00a 100644
--- a/drivers/staging/rtl8712/os_intfs.c
+++ b/drivers/staging/rtl8712/os_intfs.c
@@ -333,7 +333,7 @@ u8 r8712_init_drv_sw(struct _adapter *padapter)
 
 u8 r8712_free_drv_sw(struct _adapter *padapter)
 {
-	struct net_device *pnetdev = (struct net_device *)padapter->pnetdev;
+	struct net_device *pnetdev = padapter->pnetdev;
 
 	r8712_free_cmd_priv(&padapter->cmdpriv);
 	r8712_free_evt_priv(&padapter->evtpriv);