From 57d7e86b6525e511f2ed30d138df119ac5523044 Mon Sep 17 00:00:00 2001
From: Robert Watson <rwatson@FreeBSD.org>
Date: Mon, 7 Jan 2008 22:03:19 +0000
Subject: [PATCH] Free MAC label on a POSIX semaphore when the semaphore is
 freed.

MFC after:	3 days
Submitted by:	jhb
---
 sys/kern/uipc_sem.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/kern/uipc_sem.c b/sys/kern/uipc_sem.c
index 588d6bf7012..e40c6c63a96 100644
--- a/sys/kern/uipc_sem.c
+++ b/sys/kern/uipc_sem.c
@@ -442,6 +442,9 @@ static void
 sem_free(struct ksem *ks)
 {
 
+#ifdef MAC
+	mac_posixsem_destroy(ks);
+#endif
 	nsems--;
 	if (ks->ks_onlist)
 		LIST_REMOVE(ks, ks_entry);