diff --git a/drivers/staging/rtl8712/rtl871x_cmd.h b/drivers/staging/rtl8712/rtl871x_cmd.h
index 2613b3c2acfc..268844af57f0 100644
--- a/drivers/staging/rtl8712/rtl871x_cmd.h
+++ b/drivers/staging/rtl8712/rtl871x_cmd.h
@@ -736,7 +736,7 @@ void r8712_getbbrfreg_cmdrsp_callback(struct _adapter *padapter, struct cmd_obj
 void r8712_readtssi_cmdrsp_callback(struct _adapter *padapter, struct cmd_obj *pcmd);
 void r8712_setstaKey_cmdrsp_callback(struct _adapter  *padapter, struct cmd_obj *pcmd);
 void r8712_setassocsta_cmdrsp_callback(struct _adapter  *padapter, struct cmd_obj *pcmd);
-void r8712_disconnectCtrlEx_cmd(struct _adapter *adapter, u32 enableDrvCtrl, u32 tryPktCnt, 
+void r8712_disconnectCtrlEx_cmd(struct _adapter *adapter, u32 enableDrvCtrl, u32 tryPktCnt,
 				u32 tryPktInterval, u32 firstStageTO);
 
 struct _cmd_callback {