From 5b7d1ee67575e311871fb73be421ea7fd2f6fd73 Mon Sep 17 00:00:00 2001
From: David Kalnischkies <kalnischkies@gmail.com>
Date: Wed, 29 Jun 2011 22:38:59 +0200
Subject: * apt-pkg/policy.cc:   - do not segfault in pinning if a package with
 this name doesn't exist.     Thanks to Ferdinand Thommes for the report!

---
 apt-pkg/policy.cc | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'apt-pkg')

diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc
index 2cc2e5e39..291d83c67 100644
--- a/apt-pkg/policy.cc
+++ b/apt-pkg/policy.cc
@@ -231,6 +231,9 @@ void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name,
 
    // Get a spot to put the pin
    pkgCache::GrpIterator Grp = Cache->FindGrp(Name);
+   if (Grp.end() == true)
+      return;
+
    for (pkgCache::PkgIterator Pkg = Grp.PackageList();
 	Pkg.end() != true; Pkg = Grp.NextPkg(Pkg))
    {
-- 
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