Don't call iterator if next is NULL

diff --git a/src/lib/util/dcursor.h b/src/lib/util/dcursor.h
index 729abe719699459f2f4c509cd3db4372850b740c..4d2517665289b3325447c42dd2b06fe9dc1e159a 100644 (file)
--- a/src/lib/util/dcursor.h
+++ b/src/lib/util/dcursor.h
@@ -127,6 +127,7 @@ static inline void *dcursor_next(fr_dcursor_t *cursor, void *current)
         *      Pre-advance current
         */
        next = fr_dlist_next(cursor->dlist, current);
+       if (!next) return NULL;
 
        /*
         *      The iterator can just return what it was passed for curr