[src/trunk]: src/sys/compat/netbsd32 Fix pipe2 return value.

[njoly <njoly%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/46e20dcce173
branches:  trunk
changeset: 771233:46e20dcce173
user:      njoly <njoly%NetBSD.org@localhost>
date:      Tue Nov 15 14:13:17 2011 +0000

description:
Fix pipe2 return value.

diffstat:

 sys/compat/netbsd32/netbsd32_netbsd.c |  14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)

diffs (39 lines):

diff -r 7ce03c363a13 -r 46e20dcce173 sys/compat/netbsd32/netbsd32_netbsd.c
--- a/sys/compat/netbsd32/netbsd32_netbsd.c     Tue Nov 15 13:51:23 2011 +0000
+++ b/sys/compat/netbsd32/netbsd32_netbsd.c     Tue Nov 15 14:13:17 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: netbsd32_netbsd.c,v 1.174 2011/11/08 10:59:12 njoly Exp $      */
+/*     $NetBSD: netbsd32_netbsd.c,v 1.175 2011/11/15 14:13:17 njoly Exp $      */
 
 /*
  * Copyright (c) 1998, 2001, 2008 Matthew R. Green
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: netbsd32_netbsd.c,v 1.174 2011/11/08 10:59:12 njoly Exp $");
+__KERNEL_RCSID(0, "$NetBSD: netbsd32_netbsd.c,v 1.175 2011/11/15 14:13:17 njoly Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_ddb.h"
@@ -2579,12 +2579,18 @@
        int fd[2], error;
 
        error = pipe1(l, retval, SCARG(uap, flags));
-       if (error)
+       if (error != 0)
                return error;
 
        fd[0] = retval[0];
        fd[1] = retval[1];
-       return copyout(fd, SCARG_P32(uap, fildes), sizeof(fd));
+
+       error = copyout(fd, SCARG_P32(uap, fildes), sizeof(fd));
+       if (error != 0)
+               return error;
+
+       retval[0] = 0;
+       return 0;
 }
 
 int