[src/trunk]: src/sys/arch/arm/marvell Fix a uvm_fault panic that memory is no...

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

details:   https://anonhg.NetBSD.org/src/rev/a59c6b1a7c55
branches:  trunk
changeset: 782808:a59c6b1a7c55
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Wed Nov 21 08:03:18 2012 +0000

description:
Fix a uvm_fault panic that memory is not allocated for the last few GPIO bits.

diffstat:

 sys/arch/arm/marvell/mvsocgpp.c |  7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diffs (28 lines):

diff -r d1836c5836c4 -r a59c6b1a7c55 sys/arch/arm/marvell/mvsocgpp.c
--- a/sys/arch/arm/marvell/mvsocgpp.c   Wed Nov 21 08:00:56 2012 +0000
+++ b/sys/arch/arm/marvell/mvsocgpp.c   Wed Nov 21 08:03:18 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mvsocgpp.c,v 1.4 2012/09/10 08:50:37 msaitoh Exp $     */
+/*     $NetBSD: mvsocgpp.c,v 1.5 2012/11/21 08:03:18 msaitoh Exp $     */
 /*
  * Copyright (c) 2008, 2010 KIYOHARA Takashi
  * All rights reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: mvsocgpp.c,v 1.4 2012/09/10 08:50:37 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: mvsocgpp.c,v 1.5 2012/11/21 08:03:18 msaitoh Exp $");
 
 #include "gpio.h"
 
@@ -168,7 +168,8 @@
                MVSOCGPP_WRITE(sc, MVSOCGPP_GPIOIC(i), 0);
 
        sc->sc_pic =
-           kmem_zalloc(sizeof(struct mvsocgpp_pic) * gpp_npins / 8, KM_SLEEP);
+           kmem_zalloc(sizeof(struct mvsocgpp_pic) * howmany(gpp_npins, 8),
+               KM_SLEEP);
        for (i = 0, j = 0; i < gpp_npins; i += 8, j++) {
                gpio_pic = &(sc->sc_pic + j)->gpio_pic;
                gpio_pic->pic_ops = &gpio_pic_ops;