parser: Unref parent only when set

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/libpakfire/parser.c b/src/libpakfire/parser.c
index e9ee34252b84abfcea9e8f007867f63b0c363749..353d04f9e74b0ec022f3775a57dd71bdca2c279f 100644 (file)
--- a/src/libpakfire/parser.c
+++ b/src/libpakfire/parser.c
@@ -113,10 +113,13 @@ static void pakfire_parser_free(PakfireParser parser) {
        DEBUG(parser->pakfire, "Releasing parser at %p\n", parser);
 
        pakfire_parser_free_declarations(parser);
+
        if (parser->namespace)
                free(parser->namespace);
 
-       pakfire_parser_unref(parser->parent);
+       if (parser->parent)
+               pakfire_parser_unref(parser->parent);
+
        pakfire_unref(parser->pakfire);
        free(parser);
 }