pkg/tsdb: Check errors (#19837)

Check errors in pkg/tsdb.
2019-10-22 16:16:53 +02:00
parent 79cbe191b6
commit bb50fc5965
10 changed files with 40 additions and 20 deletions
@@ -82,10 +82,12 @@ func (e *GraphiteExecutor) Query(ctx context.Context, dsInfo *models.DataSource,

 	defer span.Finish()

-	opentracing.GlobalTracer().Inject(
+	if err := opentracing.GlobalTracer().Inject(
 		span.Context(),
 		opentracing.HTTPHeaders,
-		opentracing.HTTPHeadersCarrier(req.Header))
+		opentracing.HTTPHeadersCarrier(req.Header)); err != nil {
+		return nil, err
+	}

 	res, err := ctxhttp.Do(ctx, httpClient, req)
 	if err != nil {