linux-kernel - Re: [PATCH v3] irqchip/gic-v2m: Fix refcount leak in gicv2m_of

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Message-ID: <86ttffy0wf.wl-maz@kernel.org>
Date: Tue, 20 Aug 2024 10:54:56 +0100
From: Marc Zyngier <maz@...nel.org>
To: Ma Ke <make24@...as.ac.cn>
Cc: tglx@...utronix.de,
	Suravee.Suthikulpanit@....com,
	akpm@...ux-foundation.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: Re: [PATCH v3] irqchip/gic-v2m: Fix refcount leak in gicv2m_of_init

On Tue, 20 Aug 2024 10:28:43 +0100,
Ma Ke <make24@...as.ac.cn> wrote:
> 
> We fail to perform an of_node_put() when of_address_to_resource()
> fails, leading to a refcount leak.
> 
> Address this by moving the error handling path outside of the loop and
> making it common to all failure modes.
> 
> Cc: stable@...r.kernel.org
> Fixes: 4266ab1a8ff5 ("irqchip/gic-v2m: Refactor to prepare for ACPI support")
> Signed-off-by: Ma Ke <make24@...as.ac.cn>

Reviewed-by: Marc Zyngier <maz@...nel.org>

	M.

-- 
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