linux-kernel - Re: [PATCH] regulator: core: Add intermediate cast to uintptr

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Message-ID: <20120730153309.GK4468@opensource.wolfsonmicro.com>
Date:	Mon, 30 Jul 2012 16:33:09 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Axel Lin <axel.lin@...il.com>
Cc:	Liam Girdwood <lrg@...com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] regulator: core: Add intermediate cast to uintptr_t
 before casting to pointer

On Mon, Jul 30, 2012 at 07:47:13AM +0800, Axel Lin wrote:

>  		_notifier_call_chain(rdev, REGULATOR_EVENT_VOLTAGE_CHANGE,
> -				     (void *)best_val);
> +				     (void *)(uintptr_t)best_val);

This also looks problematic, you should never need to cast a pointer to
or from void.
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