diff --git a/core/rtw_cmd.c b/core/rtw_cmd.c
index bff603a..316fea8 100644
--- a/core/rtw_cmd.c
+++ b/core/rtw_cmd.c
@@ -554,6 +554,9 @@ _func_exit_;
 
 	thread_exit();
 
+#ifdef PLATFORM_LINUX
+	return 0;
+#endif
 }
 
 
diff --git a/core/rtw_mp.c b/core/rtw_mp.c
index 74069e4..a4b5362 100644
--- a/core/rtw_mp.c
+++ b/core/rtw_mp.c
@@ -1179,6 +1179,10 @@ exit:
 	pmptx->stop = 1;
 
 	thread_exit();
+
+#ifdef PLATFORM_LINUX
+	return 0;
+#endif
 }
 
 void fill_txdesc_for_mp(PADAPTER padapter, struct tx_desc *ptxdesc)