[src/trunk]: src/sys/kern allow get the size of the request sysctls to work.

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

details:   https://anonhg.NetBSD.org/src/rev/da451cd5e5bd
branches:  trunk
changeset: 761475:da451cd5e5bd
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Jan 29 00:38:25 2011 +0000

description:
allow get the size of the request sysctls to work.

diffstat:

 sys/kern/kern_verifiedexec.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 8cc9f6c1e077 -r da451cd5e5bd sys/kern/kern_verifiedexec.c
--- a/sys/kern/kern_verifiedexec.c      Fri Jan 28 23:54:28 2011 +0000
+++ b/sys/kern/kern_verifiedexec.c      Sat Jan 29 00:38:25 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_verifiedexec.c,v 1.124 2011/01/08 20:29:13 christos Exp $ */
+/*     $NetBSD: kern_verifiedexec.c,v 1.125 2011/01/29 00:38:25 christos Exp $ */
 
 /*-
  * Copyright (c) 2005, 2006 Elad Efrat <elad%NetBSD.org@localhost>
@@ -29,7 +29,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_verifiedexec.c,v 1.124 2011/01/08 20:29:13 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_verifiedexec.c,v 1.125 2011/01/29 00:38:25 christos Exp $");
 
 #include "opt_veriexec.h"
 
@@ -161,7 +161,7 @@
 
        len = strlen(p) + 1;
 
-       if (*oldlenp < len)
+       if (*oldlenp < len && oldp)
                return ENOMEM;
 
        if (oldp && (error = copyout(p, oldp, len)) != 0)