[src/trunk]: src/sys/kern ifdef unused variable with -UPTRACE

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

details:   https://anonhg.NetBSD.org/src/rev/46aa68692302
branches:  trunk
changeset: 769709:46aa68692302
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Sep 19 23:54:29 2011 +0000

description:
ifdef unused variable with -UPTRACE

diffstat:

 sys/kern/kern_subr.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r 6d43e0d7908c -r 46aa68692302 sys/kern/kern_subr.c
--- a/sys/kern/kern_subr.c      Mon Sep 19 21:24:57 2011 +0000
+++ b/sys/kern/kern_subr.c      Mon Sep 19 23:54:29 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_subr.c,v 1.211 2011/08/31 23:42:46 jmcneill Exp $ */
+/*     $NetBSD: kern_subr.c,v 1.212 2011/09/19 23:54:29 christos Exp $ */
 
 /*-
  * Copyright (c) 1997, 1998, 1999, 2002, 2007, 2008 The NetBSD Foundation, Inc.
@@ -79,7 +79,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_subr.c,v 1.211 2011/08/31 23:42:46 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_subr.c,v 1.212 2011/09/19 23:54:29 christos Exp $");
 
 #include "opt_ddb.h"
 #include "opt_md.h"
@@ -717,7 +717,9 @@
 void
 trace_exit(register_t code, register_t rval[], int error)
 {
+#ifdef PTRACE
        struct proc *p = curlwp->l_proc;
+#endif
 
 #ifdef SYSCALL_DEBUG
        scdebug_ret(code, error, rval);