From 158e95e38e78cdeadf6ed6605b77dbaa754c657a Mon Sep 17 00:00:00 2001
From: Petr Spacek <pspacek@redhat.com>
Date: Jun 08 2015 12:05:55 +0000
Subject: Fix metadb_iterator_destroy() to accept NULL iterators.


---

diff --git a/src/metadb.c b/src/metadb.c
index f4a1dea..797fcc9 100644
--- a/src/metadb.c
+++ b/src/metadb.c
@@ -126,14 +126,14 @@ void
 metadb_iterator_destroy(metadb_iter_t **miterp) {
 	metadb_iter_t *miter = NULL;
 
-	REQUIRE(miterp != NULL && *miterp != NULL);
+	REQUIRE(miterp != NULL);
 	miter = *miterp;
-	/* user has to deallocate state before calling destroy() */
-	INSIST(miter->state == NULL);
-
 	if (miter == NULL)
 		return;
 
+	/* user has to deallocate state before calling destroy() */
+	INSIST(miter->state == NULL);
+
 	if (miter->iter != NULL)
 		dns_dbiterator_destroy(&miter->iter);