linux-kernel - Re: [alsa-devel] ALSA: pcsp: Use common error handling code in snd_card_pcsp

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Date:   Tue, 22 Aug 2017 14:55:30 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     alsa-devel@...a-project.org, kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        Dan Carpenter <dan.carpenter@...cle.com>
Subject: Re: [alsa-devel] ALSA: pcsp: Use common error handling code in snd_card_pcsp_probe()

On Tue, 22 Aug 2017 14:47:20 +0200,
SF Markus Elfring wrote:
> 
> > Also, please don't omit the negative value check.
> 
> Is it appropriate to treat non-zero values as error codes there generally?

No, it can't be in general.  Lots of functions return a positive
value, too.


Takashi