out_calyptia: initialize return and http context (CID 507836)

Signed-off-by: Eduardo Silva <[email protected]>

Author: edsiper

plugins/out_calyptia/calyptia.c

@@ -759,7 +759,7 @@ static int cb_calyptia_init(struct flb_output_instance *ins,
 
 #ifdef FLB_HAVE_CHUNK_TRACE
     ctx->trace_endpoint = flb_sds_create_size(256);
-    flb_sds_printf(&ctx->trace_endpoint, CALYPTIA_ENDPOINT_TRACE, 
+    flb_sds_printf(&ctx->trace_endpoint, CALYPTIA_ENDPOINT_TRACE,
                    ctx->pipeline_id);
 #endif /* FLB_HAVE_CHUNK_TRACE */
     return 0;
@@ -790,7 +790,7 @@ static void cb_calyptia_flush(struct flb_event_chunk *event_chunk,
                               void *out_context,
                               struct flb_config *config)
 {
-    int ret;
+    int ret = FLB_RETRY;
     size_t off = 0;
     size_t out_size = 0;
     char *out_buf = NULL;
@@ -801,7 +801,7 @@ static void cb_calyptia_flush(struct flb_event_chunk *event_chunk,
 #endif /* FLB_HAVE_CHUNK_TRACE */
 
     struct flb_connection *u_conn;
-    struct flb_http_client *c;
+    struct flb_http_client *c = NULL;
     struct flb_calyptia *ctx = out_context;
     struct cmt *cmt;
     (void) i_ins;
@@ -867,7 +867,7 @@ static void cb_calyptia_flush(struct flb_event_chunk *event_chunk,
             cmt_encode_msgpack_destroy(out_buf);
         }
     }
-    
+
 #ifdef FLB_HAVE_CHUNK_TRACE
     if (event_chunk->type == (FLB_EVENT_TYPE_LOGS | FLB_EVENT_TYPE_HAS_TRACE)) {
         json = flb_pack_msgpack_to_json_format(event_chunk->data,
@@ -896,7 +896,7 @@ static void cb_calyptia_flush(struct flb_event_chunk *event_chunk,
             flb_sds_destroy(ctx->metrics_endpoint);
             FLB_OUTPUT_RETURN(FLB_RETRY);
         }
-        
+
         /* perform request: 'ret' might be FLB_OK, FLB_ERROR or FLB_RETRY */
         ret = calyptia_http_do(ctx, c, CALYPTIA_ACTION_TRACE);
         if (ret == FLB_OK) {
@@ -911,7 +911,10 @@ static void cb_calyptia_flush(struct flb_event_chunk *event_chunk,
 #endif /* FLB_HAVE_CHUNK_TRACE */
 
     flb_upstream_conn_release(u_conn);
-    flb_http_client_destroy(c);
+
+    if (c) {
+        flb_http_client_destroy(c);
+    }
     FLB_OUTPUT_RETURN(ret);
 }