diff --git a/drivers/staging/csr/csr_wifi_hip_chiphelper.c b/drivers/staging/csr/csr_wifi_hip_chiphelper.c
index 0e2477ff4dd0..a3148d87609a 100644
--- a/drivers/staging/csr/csr_wifi_hip_chiphelper.c
+++ b/drivers/staging/csr/csr_wifi_hip_chiphelper.c
@@ -630,7 +630,7 @@ ChipDescript* ChipHelper_GetVersionUniFi(CsrUint16 ver)
 }
 
 
-ChipDescript* ChipHelper_Null()
+ChipDescript *ChipHelper_Null(void)
 {
     return &chip_device_desc_null;
 }