From f9c3ff58ce75f8b20055bb559bd6d108e55c0fda Mon Sep 17 00:00:00 2001
From: njl <njl@FreeBSD.org>
Date: Mon, 4 Apr 2005 15:37:59 +0000
Subject: Document that devclass_get_maxunit(9) returns one greater than the
 current highest unit.

Reviewed by:	dfr
MFC after:	2 weeks
---
 sys/kern/subr_bus.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'sys/kern')

diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c
index 16a2609..438209f 100644
--- a/sys/kern/subr_bus.c
+++ b/sys/kern/subr_bus.c
@@ -1194,6 +1194,9 @@ devclass_get_count(devclass_t dc)
 /**
  * @brief Get the maximum unit number used in a devclass
  *
+ * Note that this is one greater than the highest currently-allocated
+ * unit.
+ *
  * @param dc		the devclass to examine
  */
 int
-- 
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