linux-kernel - Re: [PATCH v1 2/3] ASoC: codecs: msm8916-analog: support jack detection

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]

Date:   Wed, 26 Jul 2017 17:21:49 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Damien Riegel <damien.riegel@...oirfairelinux.com>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Patrick Lai <plai@...eaurora.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        kernel@...oirfairelinux.com
Subject: Re: [PATCH v1 2/3] ASoC: codecs: msm8916-analog: support jack
 detection

On Tue, Jul 25, 2017 at 01:51:25PM -0400, Damien Riegel wrote:

> +	for (i = 0; i < ARRAY_SIZE(jack_detect_irqs); i++) {
> +		int irq;
> +
> +		irq = platform_get_irq_byname(pdev, jack_detect_irqs[i].name);
> +		if (irq < 0) {
> +			dev_warn(dev, "failed to get irq '%s', jack insertion detection disabled\n",
> +				 jack_detect_irqs[i].name);
> +			break;
> +		}
> +
> +		ret = devm_request_threaded_irq(dev, irq, NULL,

Don't put the loop in when there's only one IRQ, wait till it's needed.
This is an unusual pattern and it's not clear that just bombing out of
the loop with interrupts half requested is a good idea.

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)