From: Andre Noll <maan@systemlinux.org>
Date: Sat, 9 Aug 2008 15:06:02 +0000 (+0200)
Subject: Add a comment to search_rbtree().
X-Git-Tag: v0.1.0~38^2~2
X-Git-Url: http://git.tuebingen.mpg.de/?p=osl.git;a=commitdiff_plain;h=5498b872d9e28af6210b957c2336be65b1900522;hp=b33b9e0c1202274b8ac49eaa97831f58dbb71970

Add a comment to search_rbtree().
---

diff --git a/osl.c b/osl.c
index 9e6de44..c92412f 100644
--- a/osl.c
+++ b/osl.c
@@ -771,6 +771,10 @@ int get_mapped_object(const struct osl_table *t, unsigned col_num,
 	return 1;
 }
 
+/*
+ * It's OK to call this with result = rb_node = NULL.  If result is not NULL,
+ * and rb key was not found, result points to the parent node.
+ */
 static int search_rbtree(const struct osl_object *obj,
 		const struct osl_table *t, unsigned col_num,
 		struct rb_node **result, struct rb_node ***rb_link)