firstboot: fix crash when hostname question is skipped

diff --git a/src/firstboot/firstboot.c b/src/firstboot/firstboot.c
index 15abb53be8454181d3c70e701ed900a9b637ed2f..bfd4bbe9fb2efd667e393f2627f29d370e1dc459 100644 (file)
--- a/src/firstboot/firstboot.c
+++ b/src/firstboot/firstboot.c
@@ -634,7 +634,9 @@ static int prompt_hostname(int rfd) {
         if (r < 0)
                 return r;
 
-        hostname_cleanup(arg_hostname);
+        if (arg_hostname)
+                hostname_cleanup(arg_hostname);
+
         return 0;
 }