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Date:      Thu, 09 Apr 2026 08:36:16 +0000
From:      Andrey V. Elsukov <ae@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org
Subject:   git: bdad7024181b - stable/15 - ipfw_nptv6: fix handling the ifaddr removal event
Message-ID:  <69d76500.4125f.40daf80e@gitrepo.freebsd.org>

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The branch stable/15 has been updated by ae:

URL: https://cgit.FreeBSD.org/src/commit/?id=bdad7024181b1ee14555ff334235b8d52e0ab15c

commit bdad7024181b1ee14555ff334235b8d52e0ab15c
Author:     Andrey V. Elsukov <ae@FreeBSD.org>
AuthorDate: 2026-04-02 10:14:29 +0000
Commit:     Andrey V. Elsukov <ae@FreeBSD.org>
CommitDate: 2026-04-09 08:34:42 +0000

    ipfw_nptv6: fix handling the ifaddr removal event
    
    The result of IN6_ARE_MASKED_ADDR_EQUAL() macro is not an integer, so
    threat it as a boolean value.
    
    PR:             294114
    Reported by:    Peter Much <pmc citylink dinoex sub org>
    
    (cherry picked from commit d9d7b59486499615a5fdce54443ce62aecf557e8)
---
 sys/netpfil/ipfw/nptv6/nptv6.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/netpfil/ipfw/nptv6/nptv6.c b/sys/netpfil/ipfw/nptv6/nptv6.c
index bfe28d75a01d..c36e9597fe22 100644
--- a/sys/netpfil/ipfw/nptv6/nptv6.c
+++ b/sys/netpfil/ipfw/nptv6/nptv6.c
@@ -593,8 +593,8 @@ ifaddr_cb(struct namedobj_instance *ni, struct named_object *no,
 		if ((cfg->flags & NPTV6_READY) == 0)
 			return (0);
 		/* If address does not match the external prefix, ignore */
-		if (IN6_ARE_MASKED_ADDR_EQUAL(&cfg->external, args->addr,
-		    &cfg->mask) != 0)
+		if (!IN6_ARE_MASKED_ADDR_EQUAL(&cfg->external, args->addr,
+		    &cfg->mask))
 			return (0);
 		/* Otherwise clear READY flag */
 		cfg->flags &= ~NPTV6_READY;


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