linux-kernel - Re: [PATCH] dmaengine: dw: dmamux: Fix device reference leak in rzn1_dmamux_route

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Message-ID: <875xe1nrfb.fsf@bootlin.com>
Date: Tue, 02 Sep 2025 11:18:32 +0200
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: Miaoqian Lin <linmq006@...il.com>
Cc: Viresh Kumar <vireshk@...nel.org>,  Andy Shevchenko
 <andriy.shevchenko@...ux.intel.com>,  Vinod Koul <vkoul@...nel.org>,  Ilpo
 Järvinen <ilpo.jarvinen@...ux.intel.com>,
  dmaengine@...r.kernel.org,
  linux-kernel@...r.kernel.org,  stable@...r.kernel.org
Subject: Re: [PATCH] dmaengine: dw: dmamux: Fix device reference leak in
 rzn1_dmamux_route_allocate

Hi,

On 02/09/2025 at 17:03:58 +08, Miaoqian Lin <linmq006@...il.com> wrote:

> The reference taken by of_find_device_by_node()
> must be released when not needed anymore.
> Add missing put_device() call to fix device reference leaks.
>
> Fixes: 134d9c52fca2 ("dmaengine: dw: dmamux: Introduce RZN1 DMA router support")
> Cc: stable@...r.kernel.org
> Signed-off-by: Miaoqian Lin <linmq006@...il.com>
> ---

Reviewed-by: Miquel Raynal <miquel.raynal@...tlin.com>

Thanks,
Miquèl