From: Jeremy Harris <jgh146exb@wizmail.org>
Date: Fri, 1 Jan 2021 12:09:37 +0000 (+0000)
Subject: Avoid needless socket close
X-Git-Tag: exim-4.95-RC0~170
X-Git-Url: https://git.exim.org/exim.git/commitdiff_plain/3bd31c400d7cb546c5583fbee8d998e232eef5c2

Avoid needless socket close
---

diff --git a/src/src/ip.c b/src/src/ip.c
index c09962a38..96a6c29f2 100644
--- a/src/src/ip.c
+++ b/src/src/ip.c
@@ -463,8 +463,8 @@ for (host_item * h = &shost; h; h = h->next)
   for (int port = portlo; port <= porthi; port++)
     if (ip_connect(fd, af, h->address, port, timeout, fastopen_blob) == 0)
       {
-      if (fd != fd6) close(fd6);
-      if (fd != fd4) close(fd4);
+      if (fd6 >= 0 && fd != fd6) close(fd6);
+      if (fd4 >= 0 && fd != fd4) close(fd4);
       if (connhost)
 	{
 	h->port = port;