linux-kernel - linux-stable 6.1.53 kernel crash on COLOR_ID

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Message-ID: <CACqvRUb_X14pjaxA0Q7bQf53TAFmk5rjQOSWqx3Tvi4g+vcNMw@mail.gmail.com>
Date:   Wed, 13 Sep 2023 14:57:55 -0400
From:   Da Xue <da@...re.computer>
To:     Pavel Machek <pavel@....cz>, linux-leds@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-stable <stable@...r.kernel.org>
Subject: linux-stable 6.1.53 kernel crash on COLOR_ID_MULTI handling change

Hi Pavel,

We have running systems that use COLOR_ID_MULTI. The GPIO toggles
between two colors and we have used the identifier. RGB is not a good
fit since it is not a RGB LED. Please provide guidance.

This patch causes the system to not start: f741121a2251 leds: Fix
BUG_ON check for LED_COLOR_ID_MULTI that is always false

It was also backported to stable causing previously booting systems to
no longer boot.

Best,
Da Xue