Re: [PATCH] tpm_i2c_nuvoton: Use common error handling code in i2c_nuvoton_send()

From: SF Markus Elfring
Date: Mon Oct 23 2017 - 09:47:08 EST


>> @@ -457,12 +455,15 @@ static int i2c_nuvoton_send(struct tpm_chip *chip, u8 *buf, size_t len)
>> &priv->read_queue);
>> if (rc) {
>> dev_err(dev, "%s() timeout command duration\n", __func__);
>> - i2c_nuvoton_ready(chip);
>> - return rc;
>> + goto write_ready;
>> }
>>
>> dev_dbg(dev, "%s() -> %zd\n", __func__, len);
>> return len;
>> +
>> +write_ready:
>> + i2c_nuvoton_ready(chip);
>> + return rc;
>> }
>>
>> static bool i2c_nuvoton_req_canceled(struct tpm_chip *chip, u8 status)
>> --
>> 2.14.2
>>
>
> Setting the commandReady bit gives means to abort the command.
> Setting the bit is not the end goal.

Does your constructive feedback mean that there are any more implementation details
to consider besides the suggested code layout adjustment?


> Use something like err_cancel instead.

I am unsure about this suggestion. Will a simple replacement be sufficient
at the end?

Regards,
Markus