# HG changeset patch
# Parent 44592f09f090e74432f608084069d30d808fda69
Do not throw away already open sockets for X11 forwarding if another socket
family is not available for bind()
diff --git a/channels.c b/channels.c
index f51b7e3..95af47e 100644
--- a/channels.c
+++ b/channels.c
@@ -4637,6 +4637,13 @@ x11_create_display_inet(struct ssh *ssh, int x11_display_offset,
debug2("%s: bind port %d: %.100s", __func__,
port, strerror(errno));
close(sock);
+ /* do not remove successfully opened sockets if
+ * the request failed because the protocol
+ * IPv4/6 is not available (e.g. IPv6 may be
+ * disabled while being supported)
+ */
+ if (EADDRNOTAVAIL == errno)
+ continue;
for (n = 0; n < num_socks; n++)
close(socks[n]);
num_socks = 0;