From d23796a84a11d9bba0723c63e0c131d94ffdfd7d Mon Sep 17 00:00:00 2001
From: Peter Avalos <pavalos@dragonflybsd.org>
Date: Mon, 4 Jul 2011 17:30:11 -1000
Subject: [PATCH] sh: Avoid close(-1) when evaluating a multi-command pipeline.

Obtained-from:   FreeBSD SVN rev 221970
---
 bin/sh/eval.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/bin/sh/eval.c b/bin/sh/eval.c
index 8169d12860..f8f7d981b6 100644
--- a/bin/sh/eval.c
+++ b/bin/sh/eval.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  * @(#)eval.c	8.9 (Berkeley) 6/8/95
- * $FreeBSD: src/bin/sh/eval.c,v 1.103 2011/04/25 20:54:12 jilles Exp $
+ * $FreeBSD: src/bin/sh/eval.c,v 1.104 2011/05/15 17:00:43 jilles Exp $
  */
 
 #include <sys/time.h>
@@ -554,7 +554,8 @@ evalpipe(union node *n)
 		if (prevfd >= 0)
 			close(prevfd);
 		prevfd = pip[0];
-		close(pip[1]);
+		if (pip[1] != -1)
+			close(pip[1]);
 	}
 	INTON;
 	if (n->npipe.backgnd == 0) {
-- 
2.41.0