Re: [PATCH v2] add MAX17040 Fuel Gauge driver
From: Minkyu Kang
Date: Thu Jun 04 2009 - 06:55:30 EST
Dear, Jean Delvare
>
> In case of error, this will wrap the error code into a u8 and the
> caller won't notice. So you'll return a random value, depending on the
> actual error which happened. No good.
>
> You should either return an int there, and have the caller check for
> errors, or if you don't want to care about errors, return an arbitrary
> value on error (e.g. 0.)
>
Yes, I missed it.
>> > + ret = power_supply_register(&client->dev, &bat_ps);
>> > + if (ret) {
>> > + dev_err(&max17040->client->dev,
>> > + "failed: power supply register\n");
>> > + cancel_delayed_work(&chip->work);
>> > + i2c_set_clientdata(client, NULL);
>> > + kfree(chip);
>> > + max17040 = NULL;
>> > + return -1;
>
> Please come up with a better error code.
>
Ok, many thanks :)
--
from. prom.
promsoft.net
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