check if we work on a valid description in IsDuplicateDescription as

[ntk/apt.git] / apt-pkg / pkgcachegen.cc

diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc
index 5e0726f..d455e40 100644 (file)
--- a/apt-pkg/pkgcachegen.cc
+++ b/apt-pkg/pkgcachegen.cc
@@ -286,7 +286,7 @@ bool pkgCacheGenerator::MergeListPackage(ListParser &List, pkgCache::PkgIterator
       pkgCache::DescIterator Desc = Ver.DescriptionList();
 
       // a version can only have one md5 describing it
-      if (MD5SumValue(Desc.md5()) != CurMd5)
+      if (Desc.end() == true || MD5SumValue(Desc.md5()) != CurMd5)
         continue;
 
       // don't add a new description if we have one for the given
@@ -1459,7 +1459,7 @@ bool IsDuplicateDescription(pkgCache::DescIterator Desc,
                            MD5SumValue const &CurMd5, std::string const &CurLang)
 {
    // Descriptions in the same link-list have all the same md5
-   if (MD5SumValue(Desc.md5()) != CurMd5)
+   if (Desc.end() == true || MD5SumValue(Desc.md5()) != CurMd5)
       return false;
    for (; Desc.end() == false; ++Desc)
       if (Desc.LanguageCode() == CurLang)