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from ozaki-r: use the proper ifp. 

XXX: perhaps push the lock in in_delmulti()?
This commit is contained in:
christos 2018-01-10 18:51:31 +00:00
parent e792951e0d
commit fc005591f5
1 changed files with 4 additions and 6 deletions
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10
sys/netinet/ip_output.c
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@ -1,4 +1,4 @@
/* $NetBSD: ip_output.c,v 1.291 2018/01/10 17:36:06 christos Exp $ */
/* $NetBSD: ip_output.c,v 1.292 2018/01/10 18:51:31 christos Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -91,7 +91,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ip_output.c,v 1.291 2018/01/10 17:36:06 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: ip_output.c,v 1.292 2018/01/10 18:51:31 christos Exp $");
#ifdef _KERNEL_OPT
#include "opt_inet.h"
@ -1906,11 +1906,9 @@ ip_drop_membership(struct ip_moptions *imo, const struct sockopt *sopt)
* Give up the multicast address record to which the
* membership points.
*/
if (ifp)
IFNET_LOCK(ifp);
IFNET_LOCK(imo->imo_membership[i]->inm_ifp);
in_delmulti(imo->imo_membership[i]);
if (ifp)
IFNET_UNLOCK(ifp);
IFNET_UNLOCK(imo->imo_membership[i]->inm_ifp);
/*
* Remove the gap in the membership array.