[src/trunk]: src/sys/kern Always terminate qc_name with NUL because pool_init...

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

details:   https://anonhg.NetBSD.org/src/rev/1b4434182162
branches:  trunk
changeset: 788719:1b4434182162
user:      alnsn <alnsn%NetBSD.org@localhost>
date:      Thu Jul 18 19:39:49 2013 +0000

description:
Always terminate qc_name with NUL because pool_init(9) uses
strcmp(3) to compare wchans.

diffstat:

 sys/kern/subr_vmem.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r c2b3a3cb196b -r 1b4434182162 sys/kern/subr_vmem.c
--- a/sys/kern/subr_vmem.c      Thu Jul 18 18:43:56 2013 +0000
+++ b/sys/kern/subr_vmem.c      Thu Jul 18 19:39:49 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: subr_vmem.c,v 1.83 2013/03/06 11:20:10 yamt Exp $      */
+/*     $NetBSD: subr_vmem.c,v 1.84 2013/07/18 19:39:49 alnsn Exp $     */
 
 /*-
  * Copyright (c)2006,2007,2008,2009 YAMAMOTO Takashi,
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_vmem.c,v 1.83 2013/03/06 11:20:10 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_vmem.c,v 1.84 2013/07/18 19:39:49 alnsn Exp $");
 
 #if defined(_KERNEL)
 #include "opt_ddb.h"
@@ -553,6 +553,7 @@
                qc->qc_vmem = vm;
                snprintf(qc->qc_name, sizeof(qc->qc_name), "%s-%zu",
                    vm->vm_name, size);
+               qc->qc_name[sizeof(qc->qc_name) - 1] = '\0';
 
                pc = pool_cache_init(size,
                    ORDER2SIZE(vm->vm_quantum_shift), 0,