From 1388cfe1b500db39d4858083f333e50c0f80b5e4 Mon Sep 17 00:00:00 2001
From: Mark Johnston <markj@FreeBSD.org>
Date: Wed, 24 Jun 2020 15:46:33 +0000
Subject: [PATCH] ipfw(4): make O_IPVER/ipversion match IPv4 or 6, not just
 IPv4.

Submitted by:	Neel Chauhan <neel AT neelc DOT org>
Reviewed by:	Lutz Donnerhacke
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D25227
---
 sys/netpfil/ipfw/ip_fw2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/netpfil/ipfw/ip_fw2.c b/sys/netpfil/ipfw/ip_fw2.c
index 80077d26d4aa..03d8da87949e 100644
--- a/sys/netpfil/ipfw/ip_fw2.c
+++ b/sys/netpfil/ipfw/ip_fw2.c
@@ -2225,7 +2225,7 @@ do {								\
 				break;
 
 			case O_IPVER:
-				match = (is_ipv4 &&
+				match = ((is_ipv4 || is_ipv6) &&
 				    cmd->arg1 == ip->ip_v);
 				break;