Module Name:    src
Committed By:   snj
Date:           Sat Jan 13 21:52:07 UTC 2018

Modified Files:
        src/sys/netinet [netbsd-8]: ip_output.c

Log Message:
Pull up following revision(s) (requested by ozaki-r in ticket #494):
        sys/netinet/ip_output.c: revision 1.291-1.292
- this is not python, we need braces
- protect ifp locking against NULL
--
from ozaki-r: use the proper ifp.
XXX: perhaps push the lock in in_delmulti()?


To generate a diff of this commit:
cvs rdiff -u -r1.279.2.4 -r1.279.2.5 src/sys/netinet/ip_output.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/netinet/ip_output.c
diff -u src/sys/netinet/ip_output.c:1.279.2.4 src/sys/netinet/ip_output.c:1.279.2.5
--- src/sys/netinet/ip_output.c:1.279.2.4	Tue Jan  2 10:56:58 2018
+++ src/sys/netinet/ip_output.c	Sat Jan 13 21:52:06 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: ip_output.c,v 1.279.2.4 2018/01/02 10:56:58 snj Exp $	*/
+/*	$NetBSD: ip_output.c,v 1.279.2.5 2018/01/13 21:52:06 snj 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 1.279.2.4 2018/01/02 10:56:58 snj Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip_output.c,v 1.279.2.5 2018/01/13 21:52:06 snj Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -1806,13 +1806,14 @@ ip_drop_membership(struct ip_moptions *i
 	bound = curlwp_bind();
 	if (sopt->sopt_size == sizeof(struct ip_mreq))
 		error = ip_get_membership(sopt, &ifp, &psref, &ia, false);
-	else
+	else {
 #ifdef INET6
 		error = ip6_get_membership(sopt, &ifp, &psref, &ia, sizeof(ia));
 #else
 		error = EINVAL;
 		goto out;
 #endif
+	}
 
 	if (error)
 		goto out;
@@ -1835,9 +1836,9 @@ ip_drop_membership(struct ip_moptions *i
 	 * Give up the multicast address record to which the
 	 * membership points.
 	 */
-	IFNET_LOCK(ifp);
+	IFNET_LOCK(imo->imo_membership[i]->inm_ifp);
 	in_delmulti(imo->imo_membership[i]);
-	IFNET_UNLOCK(ifp);
+	IFNET_UNLOCK(imo->imo_membership[i]->inm_ifp);
 
 	/*
 	 * Remove the gap in the membership array.

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