linux-kernel - Re: [alsa-devel] [PATCH] ALSA: via82xx: Use common error handling code in snd_via82xx

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Message-ID: <s5ha82rs6ck.wl-tiwai@suse.de>
Date:   Tue, 22 Aug 2017 22:19:39 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     SF Markus Elfring <elfring@...rs.sourceforge.net>,
        alsa-devel@...a-project.org, kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        Julia Lawall <Julia.Lawall@...6.fr>
Subject: Re: [alsa-devel] [PATCH] ALSA: via82xx: Use common error handling code in snd_via82xx_create()

On Tue, 22 Aug 2017 22:16:12 +0200,
Dan Carpenter wrote:
> 
> On Tue, Aug 22, 2017 at 10:05:37PM +0200, SF Markus Elfring wrote:
> > >> @@ -1121,30 +1121,27 @@ static int snd_via82xx_create(struct snd_card *card,
> > >>  
> > >>  	if ((err = pci_request_regions(pci, card->driver)) < 0) {
> > >>  		kfree(chip);
> > >> -		pci_disable_device(pci);
> > >> -		return err;
> > >> +		goto disable_device;
> 
> Ah, you're right.  It's not leaking.  I thought you deleted the
> kfree(chip);...

Well, this also suggests something wrong by the patch...

If you can't achieve it cleanly, better not to touch it in a
half-baked way.


Takashi