From 26b37f959350860a0c1d5ef9651efa0bf3640cb5 Mon Sep 17 00:00:00 2001
From: David Kalnischkies <kalnischkies@gmail.com>
Date: Sat, 12 Feb 2011 19:40:47 +0100
Subject: * apt-pkg/contrib/mmap.cc:   - do not try to free the mapping if its
 is unset

---
 apt-pkg/contrib/mmap.cc | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'apt-pkg/contrib/mmap.cc')

diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc
index 69fb61fca..4978446d2 100644
--- a/apt-pkg/contrib/mmap.cc
+++ b/apt-pkg/contrib/mmap.cc
@@ -266,6 +266,8 @@ DynamicMMap::~DynamicMMap()
 {
    if (Fd == 0)
    {
+      if (Base == 0)
+	 return;
 #ifdef _POSIX_MAPPED_FILES
       munmap(Base, WorkSpace);
 #else
-- 
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