}
	}

	return nil
}

// Concurrency helpers

type concErr struct {
	errMap     map[string]error
	summaryErr error
}

func (c concErr) Error() string {
	if c.summaryErr != nil {
		return c.summaryErr.Error()
	}
	return "<nil>"
}

func (c concErr) Unwrap() error {
	return c.summaryErr
}

	}

	if err = untar(ctx, hreader, putObjectTar, opts); err != nil {
		apiErr := errorCodes.ToAPIErr(s3Err)
		// If not set, convert or use BadRequest
		if s3Err == ErrNone {
			apiErr = toAPIError(ctx, err)
			if apiErr.Code == "InternalError" {
				// Convert generic internal errors to bad requests.
				apiErr = APIError{
					Code:           "BadRequest",
					Description:    err.Error(),

		lambdaMap[targetID.Name] = list
	}

	notify := make([]map[string][]madmin.TargetIDStatus, len(lambdaMap))
	counter := 0
	for key, value := range lambdaMap {
		v := make(map[string][]madmin.TargetIDStatus)
		v[key] = value
		notify[counter] = v
		counter++
	}
	return notify
}

// fetchKMSStatus fetches KMS-related status information.
func fetchKMSStatus() madmin.KMS {