core/exec-invoke: do not check array being non-NULL

Addresses
https://download.copr.fedorainfracloud.org/results/packit/systemd-systemd-39680/fedora-rawhide-i386/09787959-systemd/builder-live.log.gz

diff --git a/src/core/exec-invoke.c b/src/core/exec-invoke.c
index ff6d73b9dbf12b76b291ef6237a408a2d750f923..20efad69125167d162d20d1142fa2640c2deeac3 100644 (file)
--- a/src/core/exec-invoke.c
+++ b/src/core/exec-invoke.c
@@ -2134,7 +2134,7 @@ static int build_environment(
         }
 
         if (!sd_id128_is_null(p->invocation_id)) {
-                assert(p->invocation_id_string);
+                assert(!isempty(p->invocation_id_string));
 
                 r = strv_extend_joined_with_size(&e, &n, "INVOCATION_ID=", p->invocation_id_string);
                 if (r < 0)