From 125458df5198240bd4e86de1f1f6a5bf436e66b0 Mon Sep 17 00:00:00 2001
From: Jonas Mueller <jonas-mueller@mailbox.org>
Date: Tue, 5 Nov 2019 20:06:23 +0100
Subject: [PATCH] Fix warnings for return-type

---
 common.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common.c b/common.c
index 8426e60..4977a4c 100644
--- a/common.c
+++ b/common.c
@@ -97,12 +97,12 @@ int make_listen_tfo(int s)
 
     /* Don't do it if not supported */
     if (!TCP_FASTOPEN)
-        return;
+        return 0;
 
     /* Don't do it if any protocol does not specify it */
     for (i = 0; i < cfg.protocols_len; i++) {
         if (! cfg.protocols[i].tfo_ok)
-            return;
+            return 0;
     }
 
     return setsockopt(s, SOL_SOCKET, TCP_FASTOPEN, (char*)&qlen, sizeof(qlen));