linux-kernel - Re: [PATCH] sound: pci: lx6464es: Remove unneeded variable err

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Date:   Wed, 10 Jul 2019 11:52:52 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     "Hariprasad Kelam" <hariprasad.kelam@...il.com>
Cc:     <alsa-devel@...a-project.org>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        "Kate Stewart" <kstewart@...uxfoundation.org>,
        "Allison Randal" <allison@...utok.net>,
        "Jaroslav Kysela" <perex@...ex.cz>,
        "Takashi Iwai" <tiwai@...e.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sound: pci: lx6464es: Remove unneeded variable err

On Wed, 10 Jul 2019 11:49:31 +0200,
Takashi Iwai wrote:
> 
> On Wed, 10 Jul 2019 04:30:59 +0200,
> Hariprasad Kelam wrote:
> > 
> > This patch fixes below issue reported by coccicheck
> > sound/pci/lx6464es/lx6464es.c:256:5-8: Unneeded variable: "err". Return
> > "0" on line 258
> > 
> > We cannot change return value as its registered with snd_pcm_ops->close
> > 
> > Signed-off-by: Hariprasad Kelam <hariprasad.kelam@...il.com>
> 
> Applied, thanks.

Well, looking at the description above again, I'd drop the text

 "We cannot change return value as its registered with
  snd_pcm_ops->close"

because this is quite misleading.  There is absolutely no need for
changing the function return type.


thanks,

Takashi