linux-kernel - Re: [Power-supply]: Error handling in max17042

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Date:	Fri, 26 Aug 2011 06:32:24 +0000 (GMT)
From:	MyungJoo Ham <myungjoo.ham@...sung.com>
To:	"Pallala, Ramakrishna" <ramakrishna.pallala@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:	"dwmw2@...radead.org" <dwmw2@...radead.org>,
	"cbouatmailru@...il.com" <cbouatmailru@...il.com>
Subject: Re: [Power-supply]: Error handling in max17042_battery.c

Sender : Pallala, Ramakrishna<ramakrishna.pallala@...el.com> Date : 2011-08-26 14:46 (GMT+09:00)
> Hi All,
> 
> I am working on the I2C based max17042 fuel gauge driver
> Which is drivers/power/max17042_battery.c
> 
> In max17042_get_property(...), the values returned by
> Max17042_read_reg are directly assigned to the variables,
> even if the read results in an error. Shouldn't we check
> for the 'correctness' of the returned values and then
> assign them ? Can I submit a patch to change this ?
> 
> Or Is this done intentionally ?
> 
> Thanks,
> Ram
> 

Hello,

I did not ignore and return the error values from max17042_read_reg() intentionally, I've just missed them somehow (maybe was too lazy that day?). 

Handling errors from max17042_read_reg() at the side of max17042_get_property() is a feature missing. And, I'd be much appreciated if you'd send the patch you've mentioned.

Thank you,
MyungJoo