linux-kernel - Re: [PATCH] PM / OPP: Initialize regulator pointer to an error value

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Date:	Mon, 15 Feb 2016 16:42:14 +0000
From:	Jon Hunter <jonathanh@...dia.com>
To:	Viresh Kumar <viresh.kumar@...aro.org>,
	Rafael Wysocki <rjw@...ysocki.net>,
	Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
	Stephen Boyd <sboyd@...eaurora.org>
CC:	<linaro-kernel@...ts.linaro.org>, <linux-pm@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PM / OPP: Initialize regulator pointer to an error value


On 15/02/16 16:26, Viresh Kumar wrote:
> We are currently required to do two checks for regulator pointer:
> IS_ERR() and IS_NULL().
> 
> And multiple instances are reported, about both of these not being used
> consistently and so resulting in crashes.
> 
> Fix that by initializing regulator pointer with an error value and
> checking it only against an error.
> 
> This makes code consistent and efficient.
> 
> Reported-by: Jon Hunter <jonathanh@...dia.com>
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>

Tested-by: Jon Hunter <jonathanh@...dia.com>

Thanks
Jon