Re: [PATCH 6/9] sound/pci/ctxfi/ctatc.c: fix error return code

From: Julia Lawall
Date: Sun Apr 05 2015 - 08:13:22 EST


Please ignore. Wrong patch set.

On Sun, 5 Apr 2015, Julia Lawall wrote:

> From: Julia Lawall <Julia.Lawall@xxxxxxx>
>
> Initialize err before returning on failure, as done 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@xxxxxxx>
>
> ---
> sound/pci/ctxfi/ctatc.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c
> index 58b235c..a2f997a 100644
> --- a/sound/pci/ctxfi/ctatc.c
> +++ b/sound/pci/ctxfi/ctatc.c
> @@ -1725,8 +1725,10 @@ int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
> atc_connect_resources(atc);
>
> atc->timer = ct_timer_new(atc);
> - if (!atc->timer)
> + if (!atc->timer) {
> + err = -ENOMEM;
> goto error1;
> + }
>
> err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
> if (err < 0)
>
> --
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