From f3689f637f5ac0fb6c231a470e65b39aa5e9ba20 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Wed, 17 May 2017 09:57:29 -0700
Subject: [PATCH] os: Set oc->fd to -1 when connection is closed

This ensures that we don't use the now-closed file descriptor in the
future.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 os/connection.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/os/connection.c b/os/connection.c
index 07c16eacf..229bbe745 100644
--- a/os/connection.c
+++ b/os/connection.c
@@ -772,6 +772,7 @@ CloseDownFileDescriptor(OsCommPtr oc)
         _XSERVTransDisconnect(oc->trans_conn);
         _XSERVTransClose(oc->trans_conn);
         oc->trans_conn = NULL;
+        oc->fd = -1;
     }
 }