From d7f56cac66e45ae1b8782bfe084e12c8c039e442 Mon Sep 17 00:00:00 2001
From: Jan Kadlec <jan.kadlec@nic.cz>
Date: Wed, 20 Feb 2013 14:06:05 +0100
Subject: [PATCH] Fix in knot_rrset_get_next_rr_dname.
---
src/libknot/rrset.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/libknot/rrset.c b/src/libknot/rrset.c
index 80921cdd4..ad862fca6 100644
--- a/src/libknot/rrset.c
+++ b/src/libknot/rrset.c
@@ -1963,6 +1963,10 @@ knot_dname_t **knot_rrset_get_next_rr_dname(const knot_rrset_t *rrset,
* Return DNAME from normal RR, if any.
* Find DNAME in blocks. No need to check remainder. TODO: NAPTR.
*/
+ if (prev_dname) {
+ /* Nothing left to return. */
+ return NULL;
+ }
size_t offset = 0;
const rdata_descriptor_t *desc =
get_rdata_descriptor(rrset->type);
--
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