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From: Mark Brown <broonie@kernel.org>
To: LABBE Corentin <clabbe.montjoie@gmail.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	alsa-devel@alsa-project.org, lgirdwood@gmail.com, perex@perex.cz,
	tiwai@suse.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ASoC: rsnd: fix a possible NULL dereference
Date: Mon, 30 Nov 2015 16:38:56 +0000	[thread overview]
Message-ID: <20151130163856.GC1929@sirena.org.uk> (raw)
In-Reply-To: <20151126071715.GB28184@Red>

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On Thu, Nov 26, 2015 at 08:17:15AM +0100, LABBE Corentin wrote:
> On Wed, Nov 25, 2015 at 11:46:45PM +0000, Kuninori Morimoto wrote:

> > > +	of_data = of_device_get_match_data(dev);
> > > +	if (!of_data)
> > > +		return 1;

> > return 1 ?
> > You want to use -EINVAL ?

> I do that Uwe Kleine-König said to me to do in others thread:
> https://lkml.org/lkml/2015/11/12/70 and https://lkml.org/lkml/2015/11/16/211

What error code to return is going to depend on the context - you need
to look at what the caller is expecting and how it will handle the value
returned.

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      reply	other threads:[~2015-11-30 16:39 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-25 12:49 [PATCH] ASoC: rsnd: fix a possible NULL dereference LABBE Corentin
2015-11-25 23:46 ` Kuninori Morimoto
2015-11-26  7:17   ` LABBE Corentin
2015-11-30 16:38     ` Mark Brown [this message]

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