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

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Message-ID: <20170822190757.76e5edh5t6tgvzpu@mwanda>
Date:   Tue, 22 Aug 2017 22:07:57 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     alsa-devel@...a-project.org, Jaroslav Kysela <perex@...ex.cz>,
        Julia Lawall <Julia.Lawall@...6.fr>,
        Takashi Iwai <tiwai@...e.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] ALSA: via82xx: Use common error handling code in
 snd_via82xx_create()

On Tue, Aug 22, 2017 at 07:43:08PM +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;
>  	}

[ snip ]

> @@ -1153,6 +1150,14 @@ static int snd_via82xx_create(struct snd_card *card,
>  
>  	*r_via = chip;
>  	return 0;
> +
> +disable_device:
> +	pci_disable_device(pci);
> +	goto exit;

Why is this "goto exit" here?  It's leaking now.

> +free_chip:
> +	snd_via82xx_free(chip);
> +exit:
> +	return err;
>  }

regards,
dan carpenter