linux-kernel - Re: [PATCH v2] thermal: cpu_cooling: Remove usage of devm functions

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Date:	Thu, 27 Aug 2015 10:00:17 +0100
From:	Javi Merino <javi.merino@....com>
To:	Vaishali Thakkar <vthakkar1994@...il.com>
Cc:	Viresh Kumar <viresh.kumar@...aro.org>,
	Zhang Rui <rui.zhang@...el.com>,
	Eduardo Valentin <edubezval@...il.com>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] thermal: cpu_cooling: Remove usage of devm functions

On Thu, Aug 27, 2015 at 02:31:26AM +0100, Vaishali Thakkar wrote:
> On Wed, Aug 26, 2015 at 6:44 PM, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> > On 26-08-15, 14:09, Javi Merino wrote:
> >> On Wed, Aug 26, 2015 at 01:51:58PM +0100, Viresh Kumar wrote:
> >> > On 26-08-15, 13:47, Javi Merino wrote:
> >> > > I missed this because I wasn't CCed :(  Thankfully, I'll be in
> >> > > MAINTAINERS for this soon.
> >> >
> >> > Yeah, I need to resend that patch soon :)
> >> >
> >> > > > -               devm_kfree(&cdev->device, load_cpu);
> >> > >
> >> > > This introduces a memory leak.  Keep the kfree() here, you can't drop
> >> > > it.  Cheers,
> >> > > Javi
> >> > >
> >> > > > -       }
> >> > > > -
> >> > > >         *power = static_power + dynamic_power;
> >> > > >         return 0;
> >
> > So, the change I suggested on V1 removed this as well :) and Vaishali
> > missed it completely.
> 
> Yes. I missed the point that kfree was called at 2 places previously.
> Would you like me to send v3 with changes having just new label with
> 'goto' at both of these places or you would like to apply v1 of the patch?

I vote for v1.  I've acked it.

Cheers,
Javi
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