linux-kernel - Re: [PATCH 1/2] xen-tpmfront: Use common error handling code in vtpm

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Date:   Mon, 23 Oct 2017 15:57:30 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        linux-integrity@...r.kernel.org
Cc:     Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
        Peter Hüwe <PeterHuewe@....de>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/2] xen-tpmfront: Use common error handling code in
 vtpm_send()

>> @@ -108,11 +106,14 @@ static int vtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
>>  	if (wait_for_tpm_stat(chip, VTPM_STATUS_IDLE, duration,
>>  			&priv->read_queue, true) < 0) {
>>  		/* got a signal or timeout, try to cancel */
>> -		vtpm_cancel(chip);
>> -		return -ETIME;
>> +		goto cancel_vtpm;
>>  	}
>>  
>>  	return count;
>> +
>> +cancel_vtpm:
>> +	vtpm_cancel(chip);
>> +	return -ETIME;
>>  }
>>  
>>  static int vtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count)
>> -- 
>> 2.14.2
>>
> 
> NAK

Do you need any more facts to show the influence of the proposed small code reduction?

Regards,
Markus