linux-kernel - Re: [PATCH 2/3] ASoC: apple: mca: Start new platform driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <b18ef07670c09d4a58b70dc3671549a9b7d5b4e2.camel@pengutronix.de>
Date:   Tue, 09 Aug 2022 10:32:45 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Martin Povišer <povik+lin@...ebit.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     asahi@...ts.linux.dev, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] ASoC: apple: mca: Start new platform driver

Hi Martin,

On Di, 2022-08-09 at 00:41 +0200, Martin Povišer wrote:
> +	mca->rstc = devm_reset_control_get_shared(&pdev->dev, NULL);
> +	if (IS_ERR(mca->rstc)) {
> +		dev_dbg(&pdev->dev, "couldn't obtain reset control: %pe\n", mca->rstc);
> +		mca->rstc = NULL;
> +	}

Please don't ignore errors, this could be -ENOMEM.

For optional resets, use devm_reset_control_get_optional_shared(),
which returns NULL if there is no resets property in the device tree.

regards
Philipp