Revert "GnuTLS: lose DH-param setup, for recent library versions where no longer...

[exim.git] / src / src / ip.c

diff --git a/src/src/ip.c b/src/src/ip.c
index c09962a38933667e6ff10e04131a1e799f53dd20..d83d6f91046470c41f9b6ec8fde57a65a9b22991 100644 (file)
--- a/src/src/ip.c
+++ b/src/src/ip.c
@@ -3,7 +3,7 @@
 *************************************************/
 
 /* Copyright (c) University of Cambridge 1995 - 2018 */
-/* Copyright (c) The Exim Maintainers 2020 */
+/* Copyright (c) The Exim Maintainers 2020 - 2021 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* Functions for doing things with sockets. With the advent of IPv6 this has
@@ -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;