linux-kernel - Re: [PATCH 8/9] sound/pci/rme9652/hdspm.c: fix error return code

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Date:	Sun, 5 Apr 2015 14:13:24 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Julia Lawall <Julia.Lawall@...6.fr>
cc:	Jaroslav Kysela <perex@...ex.cz>, kernel-janitors@...r.kernel.org,
	Takashi Iwai <tiwai@...e.de>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 8/9] sound/pci/rme9652/hdspm.c: fix error return code

Please ignore. Wrong patch set.

On Sun, 5 Apr 2015, Julia Lawall wrote:

> From: Julia Lawall <Julia.Lawall@...6.fr>
> 
> Convert a nonnegative error return code to a negative one, as returned
> elsewhere in the function.
> 
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> (
> if@p1 (\(ret < 0\|ret != 0\))
>  { ... return ret; }
> |
> ret@p1 = 0
> )
> ... when != ret = e1
>     when != &ret
> *if(...)
> {
>   ... when != ret = e2
>       when forall
>  return ret;
> }
> 
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
> 
> ---
>  sound/pci/rme9652/hdspm.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
> index b8ac871..b12308b 100644
> --- a/sound/pci/rme9652/hdspm.c
> +++ b/sound/pci/rme9652/hdspm.c
> @@ -6585,7 +6585,7 @@ static int __devinit snd_hdspm_create(struct snd_card *card,
>  		snd_printk(KERN_ERR "HDSPM: "
>  				"unable to kmalloc Mixer memory of %d Bytes\n",
>  				(int)sizeof(struct hdspm_mixer));
> -		return err;
> +		return -ENOMEM;
>  	}
>  
>  	hdspm->port_names_in = NULL;
> 
> --
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