linux-kernel - Re: [PATCH 2/4] ASoC: codecs: wcd934x: Simplify with dev_err

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Message-ID: <5d753a8a-b979-43f6-a403-8a51f69bac29@sirena.org.uk>
Date:   Mon, 17 Apr 2023 16:58:33 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Banajit Goswami <bgoswami@...cinc.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] ASoC: codecs: wcd934x: Simplify with dev_err_probe

On Mon, Apr 17, 2023 at 05:43:03PM +0200, Krzysztof Kozlowski wrote:
> On 17/04/2023 17:33, Mark Brown wrote:
> > On Mon, Apr 17, 2023 at 04:14:51PM +0200, Krzysztof Kozlowski wrote:

> >> -	if (IS_ERR(wcd->if_regmap)) {
> >> -		dev_err(dev, "Failed to allocate ifc register map\n");
> >> -		return PTR_ERR(wcd->if_regmap);
> >> -	}
> >> +	if (IS_ERR(wcd->if_regmap))
> >> +		return dev_err_probe(dev, PTR_ERR(wcd->if_regmap),
> >> +				     "Failed to allocate ifc register map\n");

> > This is a functional change.

> Hmm... I don't see it. Return value is the same, same message is
> printed, same condition. Did I make some copy-paste error?

You've replaced an unconditional dev_err() with dev_err_probe().

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