linux-kernel - Re: mfd: macsmc: Initialize mutex

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Message-ID: <a3b93cc1-0c0f-4aa7-9b08-b3821ce8e70e@web.de>
Date: Wed, 1 Oct 2025 14:52:36 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: Lee Jones <lee@...nel.org>, Janne Grunau <j@...nau.net>,
 asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org
Cc: LKML <linux-kernel@...r.kernel.org>, Neal Gompa <neal@...pa.dev>,
 Sven Peter <sven@...nel.org>
Subject: Re: mfd: macsmc: Initialize mutex

>>>>> Struct apple_smc's mutex was not initialized before use. Surprisingly
>>>>> this only resulted in occasional NULL pointer dereferences in
>>>>> apple_smc_read() calls from the probe() functions of sub devices.
…> However, you must also provide your own context.

Do you try to support the creation of improved change descriptions?

Regards,
Markus