Re: [PATCH v2 3/8] watchdog: at91rm9200: use the regmap from mfd
From: Alexandre Belloni
Date: Mon Jan 12 2015 - 09:08:44 EST
On 10/01/2015 at 17:14:00 -0800, Guenter Roeck wrote :
> Not sure I understand what my comment has to do with 'parent'.
>
> The fact that the code checks if it has already been instantiated
> suggests that the original author of the driver was concerned about
> that case. Since you did not remove that check I have to assume that
> this can still happen. If so, the second instantiation attempt will
> overwrite regmap_st, since that variable is written prior to checking
> for the dual instantiation.
>
I'll move the regmap_st assignment after the check. But I really believe
it will never be probed more than once.
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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