From 799abb26c3caaf7eb71c01c3bf11893ccdcc1abd Mon Sep 17 00:00:00 2001
From: Karl Heuer <kwzh@gnu.org>
Date: Wed, 15 May 1996 14:32:37 +0000
Subject: [PATCH] (Fcall_process): Don't close the same fd twice.

---
 src/callproc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/callproc.c b/src/callproc.c
index 265d8287723..4d84c98edb7 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -458,7 +458,7 @@ If you quit, the process is killed with SIGINT, or SIGKILL if you quit again.")
     /* Close most of our fd's, but not fd[0]
        since we will use that to read input from.  */
     close (filefd);
-    if (fd1 >= 0)
+    if (fd1 >= 0 && fd1 != fd_error)
       close (fd1);
   }
 
-- 
2.11.4.GIT