curl_json plugin: Restore struct when handling error.

[collectd.git] / src / curl_json.c

diff --git a/src/curl_json.c b/src/curl_json.c
index a7acc81..0cf72ac 100644 (file)
--- a/src/curl_json.c
+++ b/src/curl_json.c
@@ -764,6 +764,7 @@ static int cj_curl_perform (cj_t *db, CURL *curl) /* {{{ */
   if (db->yajl == NULL)
   {
     ERROR ("curl_json plugin: yajl_alloc failed.");
+    db->yajl = yprev;
     return (-1);
   }
 
@@ -775,7 +776,8 @@ 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);