--- /dev/null
+From 4bf62f616b82fad7a7f91195b0204dd64d79a35c Mon Sep 17 00:00:00 2001
+From: Simon Kelley <simon@thekelleys.org.uk>
+Date: Thu, 10 Jan 2019 21:54:22 +0000
+Subject: [PATCH 28/30] Tidy cache_blockdata_free()
+
+Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
+---
+ src/cache.c | 15 +++++++++------
+ 1 file changed, 9 insertions(+), 6 deletions(-)
+
+--- a/src/cache.c
++++ b/src/cache.c
+@@ -200,14 +200,17 @@ static void cache_hash(struct crec *crec
+
+ static void cache_blockdata_free(struct crec *crecp)
+ {
+- if (crecp->flags & F_SRV && !(crecp->flags & F_NEG))
+- blockdata_free(crecp->addr.srv.target);
++ if (!(crecp->flags & F_NEG))
++ {
++ if (crecp->flags & F_SRV)
++ blockdata_free(crecp->addr.srv.target);
+ #ifdef HAVE_DNSSEC
+- else if (crecp->flags & F_DNSKEY)
+- blockdata_free(crecp->addr.key.keydata);
+- else if ((crecp->flags & F_DS) && !(crecp->flags & F_NEG))
+- blockdata_free(crecp->addr.ds.keydata);
++ else if (crecp->flags & F_DNSKEY)
++ blockdata_free(crecp->addr.key.keydata);
++ else if (crecp->flags & F_DS)
++ blockdata_free(crecp->addr.ds.keydata);
+ #endif
++ }
+ }
+
+ static void cache_free(struct crec *crecp)