esstream: fix NULL dereference in elementary_set_filter_build(), fixes #5787

diff --git a/src/esstream.c b/src/esstream.c
index 31d391d9c0fd514e7eed5ea65c47ff407a454f33..7f432da3697535b36815267e18941e7627904874 100644 (file)
--- a/src/esstream.c
+++ b/src/esstream.c
@@ -235,6 +235,8 @@ elementary_set_filter_build(elementary_set_t *set)
   char service_ubuf[UUID_HEX_SIZE];
 
   t = set->set_service;
+  if (t == NULL)
+    return;
   idnode_uuid_as_str(&t->s_id, service_ubuf);
 
   /* rebuild the filtered and ordered components */