From c1c55da49fd55c01771f8cf1f7255a37b79735d7 Mon Sep 17 00:00:00 2001
From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Thu, 21 Dec 2023 10:53:49 -0800
Subject: [PATCH] pfil: don't leak pfil_head_t on interface detach

PR:		256714
Submitted by:	jcaplan@blackberry.com
---
 sys/net/pfil.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/net/pfil.c b/sys/net/pfil.c
index 4b4eeca362c1..3ceffcefb758 100644
--- a/sys/net/pfil.c
+++ b/sys/net/pfil.c
@@ -295,6 +295,7 @@ pfil_head_unregister(pfil_head_t ph)
 		free(link, M_PFIL);
 	}
 	PFIL_UNLOCK();
+	free(ph, M_PFIL);
 }
 
 pfil_hook_t