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Message-Id: <170972613133.1712532.6066452137196640811.b4-ty@kernel.org>
Date: Wed, 06 Mar 2024 12:55:31 +0100
From: Andi Shyti <andi.shyti@...nel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>, 
 Jesper Nilsson <jesper.nilsson@...s.com>
Cc: Naveen Krishna Ch <ch.naveen@...sung.com>, linux-i2c@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, 
 linux-kernel@...r.kernel.org, kernel@...s.com
Subject: Re: [PATCH v3] i2c: exynos5: Init data before registering
 interrupt handler

Hi

On Tue, 05 Mar 2024 11:50:00 +0100, Jesper Nilsson wrote:
> devm_request_irq() is called before we initialize the "variant"
> member variable from of_device_get_match_data(), so if an interrupt
> is triggered inbetween, we can end up following a NULL pointer
> in the interrupt handler.
> 
> This problem was exposed when the I2C controller in question was
> (mis)configured to be used in both secure world and Linux.
> 
> [...]

Applied to i2c/i2c-host-fixes on

git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git

Thank you,
Andi

Patches applied
===============
[1/1] i2c: exynos5: Init data before registering interrupt handler
      commit: 51130d52b84c473f5da5378aa7e7633611f79313


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