From 30616a3243d33ba2adc23f3fee59619ad10c3b51 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Axel=20D=C3=B6rfler?= <axeld@pinc-software.de>
Date: Sun, 21 Aug 2005 11:57:36 +0000
Subject: [PATCH] block_cache::Free() now accepts NULL pointers (it was already
 used this way before...). Unmounting BFS volumes should now work as expected.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14034 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/system/kernel/cache/block_cache.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/system/kernel/cache/block_cache.cpp b/src/system/kernel/cache/block_cache.cpp
index d989ce812c..d464af6abc 100644
--- a/src/system/kernel/cache/block_cache.cpp
+++ b/src/system/kernel/cache/block_cache.cpp
@@ -215,6 +215,9 @@ block_cache::GetRange(void *address)
 void
 block_cache::Free(void *address)
 {
+	if (address == NULL)
+		return;
+
 	block_range *range = GetRange(address);
 	ASSERT(range != NULL);
 	range->Free(this, address);