From 02c0501a6185da2d3bfce2be1b2bc02abbd36bb9 Mon Sep 17 00:00:00 2001
From: Patrick Walton <pcwalton@mimiga.net>
Date: Thu, 16 Jun 2011 11:13:23 -0700
Subject: rt: memory_region::free(NULL) shouldn't touch the live allocation
 count

---
 src/rt/memory_region.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/rt/memory_region.cpp')

diff --git a/src/rt/memory_region.cpp b/src/rt/memory_region.cpp
index 48220290270..6c50bf42d8c 100644
--- a/src/rt/memory_region.cpp
+++ b/src/rt/memory_region.cpp
@@ -21,6 +21,7 @@ memory_region::memory_region(memory_region *parent) :
 
 void memory_region::free(void *mem) {
     // printf("free: ptr 0x%" PRIxPTR"\n", (uintptr_t) mem);
+    if (!mem) { return; }
     if (_synchronized) { _lock.lock(); }
 #ifdef TRACK_ALLOCATIONS
     if (_allocation_list.replace(mem, NULL) == false) {
-- 
cgit 1.4.1-3-g733a5