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Fix a bug that SIOCZIFDATA clears if_lastchage by zero. 

Update if_lastchange with getnanotime().
This commit is contained in:
msaitoh 2012-11-01 06:36:30 +00:00
parent 578c31536d
commit c9d920062c
1 changed files with 10 additions and 2 deletions
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12
sys/net/if.c
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@ -1,4 +1,4 @@
/* $NetBSD: if.c,v 1.260 2012/02/03 03:35:30 christos Exp $ */
/* $NetBSD: if.c,v 1.261 2012/11/01 06:36:30 msaitoh Exp $ */
/*-
* Copyright (c) 1999, 2000, 2001, 2008 The NetBSD Foundation, Inc.
@ -90,7 +90,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.260 2012/02/03 03:35:30 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.261 2012/11/01 06:36:30 msaitoh Exp $");
#include "opt_inet.h"
@ -1614,6 +1614,14 @@ ifioctl_common(struct ifnet *ifp, u_long cmd, void *data)
*/
memset(&ifp->if_data.ifi_ipackets, 0, sizeof(ifp->if_data) -
offsetof(struct if_data, ifi_ipackets));
/*
* The memset() clears to the bottm of if_data. In the area,
* if_lastchange is included. Please be careful if new entry
* will be added into if_data or rewite this.
*
* And also, update if_lastchnage.
*/
getnanotime(&ifp->if_lastchange);
break;
case SIOCSIFMTU:
ifr = data;