[src/trunk]: src/sys/arch/arm/cortex Use kmem_zalloc for its state, fixes pos...

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

details:   https://anonhg.NetBSD.org/src/rev/30a68a33b18d
branches:  trunk
changeset: 1006972:30a68a33b18d
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sat Feb 01 15:33:48 2020 +0000

description:
Use kmem_zalloc for its state, fixes possible crash if a driver tries to
set affinity before a CPU is online.

diffstat:

 sys/arch/arm/cortex/gicv3_its.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r e30bcce31566 -r 30a68a33b18d sys/arch/arm/cortex/gicv3_its.c
--- a/sys/arch/arm/cortex/gicv3_its.c   Sat Feb 01 15:24:04 2020 +0000
+++ b/sys/arch/arm/cortex/gicv3_its.c   Sat Feb 01 15:33:48 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: gicv3_its.c,v 1.24 2020/01/17 13:54:47 jmcneill Exp $ */
+/* $NetBSD: gicv3_its.c,v 1.25 2020/02/01 15:33:48 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -32,7 +32,7 @@
 #define _INTR_PRIVATE
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gicv3_its.c,v 1.24 2020/01/17 13:54:47 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gicv3_its.c,v 1.25 2020/02/01 15:33:48 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/kmem.h>
@@ -846,7 +846,7 @@
        if ((typer & GITS_TYPER_Physical) == 0)
                return ENXIO;
 
-       its = kmem_alloc(sizeof(*its), KM_SLEEP);
+       its = kmem_zalloc(sizeof(*its), KM_SLEEP);
        its->its_id = its_id;
        its->its_bst = sc->sc_bst;
        its->its_bsh = bsh;