Fixed double free

src/server/parser.c

@@ -70,9 +70,6 @@ XMPPStanza *
 parse_stanza(char *stanza_text)
 {
     depth = 0;
-    if (curr_stanza) {
-        stanza_free(curr_stanza);
-    }
     XML_Parser parser = XML_ParserCreate(NULL);
     XML_SetElementHandler(parser, start_element, end_element);
     XML_SetCharacterDataHandler(parser, handle_data);

src/server/prime.c

@@ -49,8 +49,8 @@ prime_free_all(void)
     if (idstubs) {
         g_hash_table_destroy(idstubs);
     }
+    idstubs = NULL;
 
-    querystubs = NULL;
     if (querystubs) {
         g_hash_table_destroy(querystubs);
     }

src/server/server.c

@@ -232,8 +232,6 @@ query_callback(const char *query, const char *id)
         stanza_set_id(stanza, id);
         char *stream = stanza_to_string(stanza);
         write_stream(stream);
-
-        stanza_free(stanza);
         free(stream);
     }
 }