Index: apt-pkg/rpm/rpmhandler.cc
===================================================================
--- apt-pkg/rpm/rpmhandler.cc	(revision 195)
+++ apt-pkg/rpm/rpmhandler.cc	(revision 196)
@@ -1033,8 +1033,10 @@
    string str = "";
    if (n) {
       xmlChar *content = xmlNodeGetContent(n);
-      str = (char*)content;
-      xmlFree(content);
+      if (content) {
+	 str = (char*)content;
+	 xmlFree(content);
+      }
    }
    return str;
 }
@@ -1044,8 +1046,10 @@
    string str = "";
    if (Node) {
       xmlChar *prop = xmlGetProp(Node, (xmlChar*)Prop);
-      str = (char*)prop;
-      xmlFree(prop);
+      if (prop) {
+	 str = (char*)prop;
+	 xmlFree(prop);
+      }
    }
    return str;
 }
@@ -1104,8 +1108,10 @@
    string str = "";
    if ((n = FindNode("location"))) {
       xmlChar *prop = xmlGetProp(n, (xmlChar*)"href");
-      str = dirname((char*)prop);
-      xmlFree(prop);
+      if (prop) {
+	 str = dirname((char*)prop);
+	 xmlFree(prop);
+      }
    }
    return str;
 }