linux-kernel - Re: [PATCH RFC net-next v2 08/18] net: pse-pd: Add support for reporting events

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Message-ID: <ede82d07-6adc-486a-b715-e6e783655333@lunn.ch>
Date: Thu, 31 Oct 2024 22:54:00 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Kory Maincent <kory.maincent@...tlin.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Jonathan Corbet <corbet@....net>,
	Donald Hunter <donald.hunter@...il.com>,
	Rob Herring <robh@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>,
	Simon Horman <horms@...nel.org>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	linux-doc@...r.kernel.org, Kyle Swenson <kyle.swenson@....tech>,
	Dent Project <dentproject@...uxfoundation.org>,
	kernel@...gutronix.de,
	Maxime Chevallier <maxime.chevallier@...tlin.com>
Subject: Re: [PATCH RFC net-next v2 08/18] net: pse-pd: Add support for
 reporting events

> +static struct phy_device *
> +pse_control_find_phy_by_id(struct pse_controller_dev *pcdev, int id)
> +{
> +	struct pse_control *psec;
> +
> +	mutex_lock(&pse_list_mutex);
> +	list_for_each_entry(psec, &pcdev->pse_control_head, list) {
> +		if (psec->id == id)
> +			return psec->attached_phydev;

The mutex is still locked. I'm surprised your testing did not
deadlock, and that none of the automated tools have reported this.


    Andrew

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pw-bot: cr