Return NULL on error

diff --git a/src/lib/util/heap.c b/src/lib/util/heap.c
index efefdc8746715529ff6877baf7da30244eebcef5..3e915cd65634c28314d8adee8ed2e0b8557f7eea 100644 (file)
--- a/src/lib/util/heap.c
+++ b/src/lib/util/heap.c
@@ -326,7 +326,7 @@ void *fr_heap_pop(fr_heap_t **hp)
 
        if (unlikely(h == NULL)) {
                fr_strerror_const("Heap pointer was NULL");
-               return -1;
+               return NULL;
        }
 
        if (h->num_elements == 0) return NULL;