linux-kernel - Re: [PATCH] amba: tegra-ahb: fix device leak on smmu enable

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Message-ID: <iqorxn35xjmylfxjxhnwi3htfloythelsslxndgbfu2tslkmmf@drbc2dikgbof>
Date: Fri, 14 Nov 2025 17:50:16 +0100
From: Thierry Reding <thierry.reding@...il.com>
To: Johan Hovold <johan@...nel.org>
Cc: Russell King <linux@...linux.org.uk>, 
	Jonathan Hunter <jonathanh@...dia.com>, linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org, 
	stable@...r.kernel.org
Subject: Re: [PATCH] amba: tegra-ahb: fix device leak on smmu enable

On Thu, Sep 25, 2025 at 05:00:07PM +0200, Johan Hovold wrote:
> Make sure to drop the reference taken to the ahb platform device when
> looking up its driver data while enabling the smmu.
> 
> Note that holding a reference to a device does not prevent its driver
> data from going away.
> 
> Fixes: 89c788bab1f0 ("ARM: tegra: Add SMMU enabler in AHB")
> Cc: stable@...r.kernel.org	# 3.5
> Signed-off-by: Johan Hovold <johan@...nel.org>
> ---
>  drivers/amba/tegra-ahb.c | 1 +
>  1 file changed, 1 insertion(+)

Applied, thanks.

Thierry

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