diff --git a/drivers/staging/rtl8723au/hal/hal_com.c b/drivers/staging/rtl8723au/hal/hal_com.c
index bb948e595be3..29e0ec9acb65 100644
--- a/drivers/staging/rtl8723au/hal/hal_com.c
+++ b/drivers/staging/rtl8723au/hal/hal_com.c
@@ -355,9 +355,9 @@ void c2h_evt_clear23a(struct rtw_adapter *adapter)
 	rtw_write8(adapter, REG_C2HEVT_CLEAR, C2H_EVT_HOST_CLOSE);
 }
 
-s32 c2h_evt_read23a(struct rtw_adapter *adapter, u8 *buf)
+int c2h_evt_read23a(struct rtw_adapter *adapter, u8 *buf)
 {
-	s32 ret = _FAIL;
+	int ret = _FAIL;
 	struct c2h_evt_hdr *c2h_evt;
 	int i;
 	u8 trigger;