From 7550e3eac458765f2e331cff65711ce0ee39e83b Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 19 Jun 2007 13:13:17 +0000
Subject: [PATCH] Add the witness warning for free_unr. Function could sleep,
 thus callers shall not have any non-sleepable locks held.

Submitted by:	Hans Petter Selasky <hselasky c2i net>
Approved by:	re (kensmith)
---
 sys/kern/subr_unit.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/kern/subr_unit.c b/sys/kern/subr_unit.c
index 910020d9c48..764f26f6784 100644
--- a/sys/kern/subr_unit.c
+++ b/sys/kern/subr_unit.c
@@ -714,6 +714,7 @@ free_unr(struct unrhdr *uh, u_int item)
 {
 	void *p1, *p2;
 
+	WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL, "free_unr");
 	p1 = Malloc(sizeof(struct unr));
 	p2 = Malloc(sizeof(struct unr));
 	mtx_lock(uh->mtx);