linux-kernel - Re: [PATCH] gus: add a check of the status of snd_ctl

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Date:   Tue, 01 Jan 2019 09:53:52 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     "Kangjie Lu" <kjlu@....edu>
Cc:     <alsa-devel@...a-project.org>, "Jaroslav Kysela" <perex@...ex.cz>,
        <pakki001@....edu>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] gus: add a check of the status of snd_ctl_add

On Wed, 26 Dec 2018 02:40:51 +0100,
Kangjie Lu wrote:
> 
> snd_ctl_add() could fail, so let's check its status and issue an error
> message if it indeed fails.
> 
> Signed-off-by: Kangjie Lu <kjlu@....edu>

The function itself prints the error in most of useful cases, so the
extra error here would be superfluous.


thanks,

Takashi