curl json: Fix checking the response code.

diff --git a/src/curl_json.c b/src/curl_json.c
index a7acc81ca42a233393ca6701b0cb244f1d6206a4..e34f90aa5346148eb69376de89f8bbd4440d44e0 100644 (file)
--- a/src/curl_json.c
+++ b/src/curl_json.c
@@ -775,7 +775,8 @@ static int cj_curl_perform (cj_t *db, CURL *curl) /* {{{ */
   curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &url);
   curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &rc);
 
-  if (rc != 200)
+  /* The response code is zero if a non-HTTP transport was used. */
+  if ((rc != 0) && (rc != 200))
   {
     ERROR ("curl_json plugin: curl_easy_perform failed with response code %ld (%s)",
            rc, url);