linux-kernel - Re: [PATCH 2/7] Input: pmic8xxx-pwrkey

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20140102191757.GA2025@core.coreip.homeip.net>
Date:	Thu, 2 Jan 2014 11:17:57 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Mark Brown <broonie@...nel.org>
Cc:	Stephen Boyd <sboyd@...eaurora.org>, linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-input@...r.kernel.org
Subject: Re: [PATCH 2/7] Input: pmic8xxx-pwrkey - Migrate to regmap APIs

On Thu, Jan 02, 2014 at 06:49:59PM +0000, Mark Brown wrote:
> On Sun, Dec 15, 2013 at 03:33:37AM -0800, Dmitry Torokhov wrote:
> > On Tue, Dec 10, 2013 at 03:43:11PM -0800, Stephen Boyd wrote:
> 
> > > +	regmap = dev_get_regmap(pdev->dev.parent, NULL);
> > > +	if (!regmap)
> > > +		return -ENODEV;
> 
> > And you are leaking memory here...
> 
> He's not, dev_get_regmap() just gets a pointer to an existing regmap -
> no reference is taken and nothing is allocated.  It's a helper that's
> mainly there so that generic code can be written without needing the
> regmap to be passed around.  The caller is responsible for ensuring that
> it will stick around for as long as it's used (generally by having it
> lifetime managed with the device).

I was not talking about data returned by dev_get_regmap() but all other
memory that was allocated before as this was pre devm conversion of the
driver.

Thanks.

-- 
Dmitry
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/