From b0e98718f5b167ea6cc421859a6ec2df4a530dc6 Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Sun, 24 Apr 2016 00:42:11 +0900
Subject: [PATCH] src: Handle return value of getsockopt

---
 src/util.cc | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/util.cc b/src/util.cc
index 9139872d..c17f04ae 100644
--- a/src/util.cc
+++ b/src/util.cc
@@ -882,12 +882,11 @@ int create_nonblock_socket(int family) {
 bool check_socket_connected(int fd) {
   int error;
   socklen_t len = sizeof(error);
-  if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &len) == 0) {
-    if (error != 0) {
-      return false;
-    }
+  if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &len) != 0) {
+    return false;
   }
-  return true;
+
+  return error == 0;
 }
 
 bool ipv6_numeric_addr(const char *host) {