linux-kernel - Re: [PATCH] ISP1704 USB Charger: Fix use-after-free error in isp1704_charger

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Message-ID: <alpine.LNX.2.00.1205061517321.29039@swampdragon.chaosbits.net>
Date:	Sun, 6 May 2012 15:18:42 +0200 (CEST)
From:	Jesper Juhl <jj@...osbits.net>
To:	Anton Vorontsov <cbouatmailru@...il.com>
cc:	Marek Vasut <marex@...x.de>, linux-kernel@...r.kernel.org,
	Felipe Contreras <felipe.contreras@...il.com>,
	Felipe Balbi <balbi@...com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Kalle Jokiniemi <kalle.jokiniemi@...ia.com>
Subject: Re: [PATCH] ISP1704 USB Charger: Fix use-after-free error in
 isp1704_charger_probe()


Sorry about the late reply, I've been away from my mailbox for a while.

On Sat, 5 May 2012, Anton Vorontsov wrote:

> On Sun, Apr 22, 2012 at 10:34:59PM +0200, Marek Vasut wrote:
> [...]
> > > -
> > >  	dev_err(&pdev->dev, "failed to register isp1704 with error %d\n", ret);
> > > -
> > >  	isp1704_charger_set_power(isp, 0);
> > > +	kfree(isp);
> 
> Dan Carpenter sent a similar fix ~month ago, so it's in already.
> 
Ok :)

> > Use devm_kzalloc() and be done with all this goo?
> 
> Yeah, that's actually a good idea.
> 
No promises, but I may look into this in a few days.

-- 
Jesper Juhl <jj@...osbits.net>       http://www.chaosbits.net/
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