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

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Message-ID: <fc4d8c96-7de2-e8f0-4cb4-5dda795d298a@users.sourceforge.net>
Date:   Tue, 22 Aug 2017 15:15:02 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Takashi Iwai <tiwai@...e.de>, alsa-devel@...a-project.org
Cc:     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()

>> Is it appropriate to treat non-zero values as error codes there generally?
> 
> No, it can't be in general.

I got the impression that the functions which are called at the updated places
by the function “snd_card_pcsp_probe” indicate a successful execution
only by zero so far.


> Lots of functions return a positive value, too.

Would you like to point any example out from the programming interface?

Regards,
Markus