From befab2c40cc2c48ce8b8e28f93a6167e23b384e7 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Wed, 31 Mar 2021 11:06:41 +0200
Subject: [PATCH] basic/socket-util: add hint to silence gcc's
 maybe-unitialized warning
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

[59/1551] Compiling C object src/basic/libbasic.a.p/socket-util.c.o
../src/basic/socket-util.c: In function ‘socket_get_mtu’:
../src/basic/socket-util.c:1393:16: warning: ‘mtu’ may be used uninitialized in this function [-Wmaybe-uninitialized]
 1393 |         *ret = (size_t) mtu;
      |                ^~~~~~~~~~~~
---
 src/basic/socket-util.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/basic/socket-util.h b/src/basic/socket-util.h
index 507a599d7cf..e0b959f5da5 100644
--- a/src/basic/socket-util.h
+++ b/src/basic/socket-util.h
@@ -14,6 +14,7 @@
 #include <sys/types.h>
 #include <sys/un.h>
 
+#include "errno-util.h"
 #include "macro.h"
 #include "missing_network.h"
 #include "missing_socket.h"
@@ -264,7 +265,7 @@ static inline int getsockopt_int(int fd, int level, int optname, int *ret) {
         socklen_t sl = sizeof(v);
 
         if (getsockopt(fd, level, optname, &v, &sl) < 0)
-                return -errno;
+                return negative_errno();
         if (sl != sizeof(v))
                 return -EIO;
 
-- 
2.47.3