[src/trunk]: src/sys/dev/pci Prevent potential buffer over runs in number of ...

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

details:   https://anonhg.NetBSD.org/src/rev/a0691b7a5e62
branches:  trunk
changeset: 980118:a0691b7a5e62
user:      reinoud <reinoud%NetBSD.org@localhost>
date:      Sun Jan 24 14:12:36 2021 +0000

description:
Prevent potential buffer over runs in number of BARS

diffstat:

 sys/dev/pci/virtio_pci.c |  10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diffs (31 lines):

diff -r 01053aab51d0 -r a0691b7a5e62 sys/dev/pci/virtio_pci.c
--- a/sys/dev/pci/virtio_pci.c  Sun Jan 24 13:33:56 2021 +0000
+++ b/sys/dev/pci/virtio_pci.c  Sun Jan 24 14:12:36 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: virtio_pci.c,v 1.20 2021/01/24 01:44:11 christos Exp $ */
+/* $NetBSD: virtio_pci.c,v 1.21 2021/01/24 14:12:36 reinoud Exp $ */
 
 /*
  * Copyright (c) 2020 The NetBSD Foundation, Inc.
@@ -28,7 +28,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: virtio_pci.c,v 1.20 2021/01/24 01:44:11 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: virtio_pci.c,v 1.21 2021/01/24 14:12:36 reinoud Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -65,9 +65,9 @@
        bus_size_t              sc_mapped_iosize;
 
        /* BARs */
-       bus_space_tag_t         sc_bars_iot[4];
-       bus_space_handle_t      sc_bars_ioh[4];
-       bus_size_t              sc_bars_iosize[4];
+       bus_space_tag_t         sc_bars_iot[NMAPREG];
+       bus_space_handle_t      sc_bars_ioh[NMAPREG];
+       bus_size_t              sc_bars_iosize[NMAPREG];
 
        /* notify space */
        bus_space_tag_t         sc_notify_iot;