Merge pull request #21468 from coolljt0725/remove_useless_log

Do not return error on hijacked connection for docker exec
Upstream-commit: e2221d1f37d1204ccca51722aa21fc11939a41ba
Component: engine

components/engine/api/server/router/container/exec.go

@@ -112,7 +112,6 @@ func (s *containerRouter) postContainerExecStart(ctx context.Context, w http.Res
 		}
 		stdout.Write([]byte(err.Error()))
 		logrus.Errorf("Error running exec in container: %v\n", err)
-		return err
 	}
 	return nil
 }