linux-kernel - Re: [PATCH v2] leds: trigger: fix potential deadlock with libata

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Message-ID: <20201230184242.GA25903@duo.ucw.cz>
Date:   Wed, 30 Dec 2020 19:42:42 +0100
From:   Pavel Machek <pavel@....cz>
To:     Andrea Righi <andrea.righi@...onical.com>
Cc:     Boqun Feng <boqun.feng@...il.com>, Dan Murphy <dmurphy@...com>,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] leds: trigger: fix potential deadlock with libata

Hi!

> Apply the same change to led_trigger_blink_setup() as well, since the
> same deadlock scenario can also happen in power_supply_update_bat_leds()
> -> led_trigger_blink() -> led_trigger_blink_setup() (workqueue context),
> and potentially prevent other similar usages.

Thanks, applied.
								Pavel

-- 
http://www.livejournal.com/~pavelmachek

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