From 68d3fc6f8feaa39b413daa13fa6c0985416af1c5 Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Wed, 28 Dec 2005 20:02:34 +0000
Subject: [PATCH] Don't allow allocation of zero sized area.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15700 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/system/boot/platform/openfirmware/mmu.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/system/boot/platform/openfirmware/mmu.cpp b/src/system/boot/platform/openfirmware/mmu.cpp
index 777c131449..85ecae23aa 100644
--- a/src/system/boot/platform/openfirmware/mmu.cpp
+++ b/src/system/boot/platform/openfirmware/mmu.cpp
@@ -15,6 +15,9 @@
 status_t
 platform_allocate_region(void **_address, size_t size, uint8 protection)
 {
+	if (size == 0)
+		return B_BAD_VALUE;
+
 	void *address = arch_mmu_allocate(*_address, size, protection);
 	if (address == NULL)
 		return B_NO_MEMORY;