svn commit: r252359 - head/bin/sh

[Jilles Tjoelker]

Author: jilles
Date: Fri Jun 28 21:47:08 2013
New Revision: 252359
URL: http://svnweb.freebsd.org/changeset/base/252359

Log:
  sh: Do not close(-1) if pipe() fails.

Modified:
  head/bin/sh/eval.c

Modified: head/bin/sh/eval.c
==============================================================================
--- head/bin/sh/eval.c	Fri Jun 28 21:13:19 2013	(r252358)
+++ head/bin/sh/eval.c	Fri Jun 28 21:47:08 2013	(r252359)
@@ -589,7 +589,8 @@ evalpipe(union node *n)
 		pip[1] = -1;
 		if (lp->next) {
 			if (pipe(pip) < 0) {
-				close(prevfd);
+				if (prevfd >= 0)
+					close(prevfd);
 				error("Pipe call failed: %s", strerror(errno));
 			}
 		}