From f673b7098a7c49e62211c5911f4c7a58e865c8d4 Mon Sep 17 00:00:00 2001
From: jh <jh@FreeBSD.org>
Date: Thu, 8 Jul 2010 16:53:19 +0000
Subject: Assert that low and high are >= 0. The allocator doesn't support the
 negative range.

---
 sys/kern/subr_unit.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'sys/kern')

diff --git a/sys/kern/subr_unit.c b/sys/kern/subr_unit.c
index 84e7227..a66d9e9 100644
--- a/sys/kern/subr_unit.c
+++ b/sys/kern/subr_unit.c
@@ -326,8 +326,8 @@ new_unrhdr(int low, int high, struct mtx *mutex)
 {
 	struct unrhdr *uh;
 
-	KASSERT(low <= high,
-	    ("UNR: use error: new_unrhdr(%u, %u)", low, high));
+	KASSERT(low >= 0 && high >= 0 && low <= high,
+	    ("UNR: use error: new_unrhdr(%d, %d)", low, high));
 	uh = Malloc(sizeof *uh);
 	if (mutex != NULL)
 		uh->mtx = mutex;
-- 
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