} else {
		if cs.sentHeaders && !cs.sentEndStream {
			cc.writeStreamReset(cs.ID, http2ErrCodeNo, nil)
		}
		cs.bufPipe.CloseWithError(http2errRequestCanceled)
	}
	if cs.ID != 0 {
		cc.forgetStreamID(cs.ID)
	}

	cc.wmu.Lock()
	werr := cc.werr
	cc.wmu.Unlock()
	if werr != nil {
		cc.Close()
	}

	close(cs.donec)
}