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provide compatibility for the older variant of kern.consdev, which used 

a 32 bit dev_t. Reported by mrg.
This commit is contained in:
christos 2009-08-16 20:28:19 +00:00
parent fa81e78b3d
commit a9d1bfd0c5
1 changed files with 16 additions and 4 deletions
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20
sys/kern/init_sysctl.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: init_sysctl.c,v 1.164 2009/05/24 21:41:26 ad Exp $ */
/* $NetBSD: init_sysctl.c,v 1.165 2009/08/16 20:28:19 christos Exp $ */
/*-
* Copyright (c) 2003, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: init_sysctl.c,v 1.164 2009/05/24 21:41:26 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: init_sysctl.c,v 1.165 2009/08/16 20:28:19 christos Exp $");
#include "opt_sysv.h"
#include "opt_compat_netbsd32.h"
@ -2865,6 +2865,7 @@ int
sysctl_consdev(SYSCTLFN_ARGS)
{
dev_t consdev;
uint32_t oconsdev;
struct sysctlnode node;
if (cn_tab != NULL)
@ -2872,8 +2873,19 @@ sysctl_consdev(SYSCTLFN_ARGS)
else
consdev = NODEV;
node = *rnode;
node.sysctl_data = &consdev;
node.sysctl_size = sizeof(consdev);
switch (*oldlenp) {
case sizeof(consdev):
node.sysctl_data = &consdev;
node.sysctl_size = sizeof(consdev);
break;
case sizeof(oconsdev):
oconsdev = (uint32_t)consdev;
node.sysctl_data = &oconsdev;
node.sysctl_size = sizeof(oconsdev);
break;
default:
return EINVAL;
}
return (sysctl_lookup(SYSCTLFN_CALL(&node)));
}