linux-kernel - Re: [PATCH] drivers/uio/uio_pdrv_genirq.c: Fix memory leak & confusing labels

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Date:	Wed, 28 Nov 2012 22:14:07 +0100
From:	"Hans J. Koch" <hjk@...sjkoch.de>
To:	Vitalii Demianets <vitas@...factor.kiev.ua>
Cc:	"Hans J. Koch" <hjk@...sjkoch.de>, Cong Ding <dinggnu@...il.com>,
	linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] drivers/uio/uio_pdrv_genirq.c: Fix memory leak &
 confusing labels

On Wed, Nov 28, 2012 at 11:37:23AM +0200, Vitalii Demianets wrote:
> On Wednesday 28 November 2012 02:37:50 Hans J. Koch wrote:
> >
> > In other words, the case of uioinfo AND pdev->dev.of_node both being NULL
> > is not handled properly and will have ugly results.
> >
> 
> Moreover, the case of (uioinfo != NULL) && (pdev->dev.of_node != NULL) leads 
> to equally ugly results too (freeing uoinfo when it is statically allocated).

You're right. That wants to be fixed as well.

> 
> I think, we should sort out these problems, but in another patch. It is 
> totally unrelated to the problem solved by the original patch (memory leak 
> caused by not freeing priv in case platform_get_irq() fails).

So far, no patch was applied. I don't mind if all fixes for uio_pdrv_genirq
are in one patch as long as only this one file is altered.

Thanks,
Hans
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