linux-kernel - Re: [PATCH] ALSA: sonicvibes: add error handling for snd_ctl

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Date:   Mon, 11 Jun 2018 15:26:02 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     "Zhouyang Jia" <jiazhouyang09@...il.com>
Cc:     <alsa-devel@...a-project.org>,
        "Bhumika Goyal" <bhumirks@...il.com>,
        "Jaroslav Kysela" <perex@...ex.cz>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ALSA: sonicvibes: add error handling for snd_ctl_add

On Mon, 11 Jun 2018 10:08:40 +0200,
Zhouyang Jia wrote:
> 
> When snd_ctl_add fails, the lack of error-handling code may
> cause unexpected results.
> 
> This patch adds error-handling code after calling snd_ctl_add.
> 
> Signed-off-by: Zhouyang Jia <jiazhouyang09@...il.com>

I postpone this one because the change won't give anything as is
although this change itself is correct.  If you look at the code
closely, the caller of snd_sonicvibes_create_gameport() ignores the
return value.
So we need to fix two places.


thanks,

Takashi