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

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Message-ID: <s5h378j8xos.wl-tiwai@suse.de>
Date:   Tue, 22 Aug 2017 16:49:23 +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 16:36:35 +0200,
SF Markus Elfring wrote:
> 
> >> 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.
> > 
> > You have the impression, great.
> 
> This aspect is also a general programming interface issue for some functions.
> 
> 
> > And what's the reason to drop the negative check?
> 
> * I find it a bit safer when the error predicate is “return value != 0”.

Can't agree.  And I have no interest to continue bike-shedding,
sorry.  You can't convince me regarding this.


Takashi