linux-kernel - Re: [PATCH] macsmc: check for missing SMC to avoid crash

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Message-ID: <bd991c1e-69b0-47aa-9373-274f92fce76d@kernel.org>
Date: Thu, 9 Oct 2025 20:56:47 +0200
From: Sven Peter <sven@...nel.org>
To: Atharva Tiwari <atharvatiwarilinuxdev@...il.com>
Cc: Janne Grunau <j@...nau.net>, Neal Gompa <neal@...pa.dev>,
 Linus Walleij <linus.walleij@...aro.org>, Bartosz Golaszewski
 <brgl@...ev.pl>, Sebastian Reichel <sre@...nel.org>, asahi@...ts.linux.dev,
 linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH] macsmc: check for missing SMC to avoid crash

On 09.10.25 20:37, Atharva Tiwari wrote:
> Users might manually install these drivers
> without the core SMC device, causing

Installing isn't enough; that's not gonna trigger probing any of these 
devices.
Did you run into this issue?

Hitting this should require deliberately creating a broken dts file and 
booting with that one. But if I'm creating a broken dts file I can 
easily crash the kernel in various other ways.



Sven