[src/trunk]: src/sys/arch/arm/cortex Make sure freq is not 0.

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

details:   https://anonhg.NetBSD.org/src/rev/27ba06045c14
branches:  trunk
changeset: 328672:27ba06045c14
user:      matt <matt%NetBSD.org@localhost>
date:      Sun Apr 13 02:22:21 2014 +0000

description:
Make sure freq is not 0.

diffstat:

 sys/arch/arm/cortex/gtmr.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r e7b8e940a200 -r 27ba06045c14 sys/arch/arm/cortex/gtmr.c
--- a/sys/arch/arm/cortex/gtmr.c        Sun Apr 13 02:21:47 2014 +0000
+++ b/sys/arch/arm/cortex/gtmr.c        Sun Apr 13 02:22:21 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: gtmr.c,v 1.6 2014/03/28 21:41:46 matt Exp $    */
+/*     $NetBSD: gtmr.c,v 1.7 2014/04/13 02:22:21 matt Exp $    */
 
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gtmr.c,v 1.6 2014/03/28 21:41:46 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gtmr.c,v 1.7 2014/04/13 02:22:21 matt Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -103,6 +103,7 @@
         * This runs at a fixed frequency of 1 to 50MHz.
         */
        prop_dictionary_get_uint32(dict, "frequency", &sc->sc_freq);            
+       KASSERT(sc->sc_freq != 0);
 
        humanize_number(freqbuf, sizeof(freqbuf), sc->sc_freq, "Hz", 1000);