From 360fa41773651f9592c440d8fefe7748e6f1a1ce Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Tue, 5 Jun 2018 10:13:13 +0200
Subject: follow twister change e01669953d7a8e82a505fca2308e57e971d43c67: check
 return value on upload_cb registration with curl

---
 src/gns/gnunet-gns-proxy.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/gns/gnunet-gns-proxy.c b/src/gns/gnunet-gns-proxy.c
index e4fa5cc109..918c1d110e 100644
--- a/src/gns/gnunet-gns-proxy.c
+++ b/src/gns/gnunet-gns-proxy.c
@@ -1914,9 +1914,10 @@ create_response (void *cls,
       curl_easy_setopt (s5r->curl,
 			CURLOPT_WRITEDATA,
 			s5r);
-      curl_easy_setopt (s5r->curl,
-			CURLOPT_READFUNCTION,
-			&curl_upload_cb);
+      GNUNET_assert (CURLE_OK ==
+		     curl_easy_setopt (s5r->curl,
+				       CURLOPT_READFUNCTION,
+				       &curl_upload_cb));
       curl_easy_setopt (s5r->curl,
 			CURLOPT_READDATA,
 			s5r);
-- 
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