From d4db2a2e9a08e5e0db0f61da7a15e2b49b3218a9 Mon Sep 17 00:00:00 2001
From: Neel Goyal <ngoyal@verisign.com>
Date: Fri, 10 Jan 2014 16:32:55 -0500
Subject: [PATCH] Fix a segfault when passing a null response to the sync
 methods

---
 src/sync.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/sync.c b/src/sync.c
index 3600da70..5519c757 100644
--- a/src/sync.c
+++ b/src/sync.c
@@ -70,6 +70,7 @@ getdns_general_sync(struct getdns_context *context,
 {
 	getdns_return_t response_status;
     RETURN_IF_NULL(context, GETDNS_RETURN_BAD_CONTEXT);
+    RETURN_IF_NULL(response, GETDNS_RETURN_INVALID_PARAMETER);
 	response_status = validate_extensions(extensions);
 	if (response_status == GETDNS_RETURN_GOOD) {
 		response_status = getdns_general_ub(context->unbound_sync,