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From: Srinivas Kandagatla <srini@kernel.org>
To: Wentao Liang <vulab@iscas.ac.cn>, gregkh@linuxfoundation.org
Cc: linux-kernel@vger.kernel.org, miquel.raynal@bootlin.com,
	srini@kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] nvmem: layouts: onie-tlv: Fix np reference leak in onie_tlv_add_cells()
Date: Fri, 18 Sep 2026 22:40:46 +0100	[thread overview]
Message-ID: <6b916ff3-aeed-4d7e-af81-65ba8cb6d66f@kernel.org> (raw)
In-Reply-To: <20260917123514.2151346-1-vulab@iscas.ac.cn>



On 9/17/26 1:35 PM, Wentao Liang wrote:
> of_get_child_by_name() returns a node with an elevated reference count.
> nvmem_add_one_cell() only takes ownership of that reference on success,
> so the caller must drop it when the call fails. Add the missing
> of_node_put() before returning so that cell.np is not leaked.
> 

Same comment, do not waste time with duplicate patches.

--srini

> Fixes: d3c0d12f6474 ("nvmem: layouts: onie-tlv: Add new layout driver")
> Cc: stable@vger.kernel.org
> Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
> ---
>  drivers/nvmem/layouts/onie-tlv.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/nvmem/layouts/onie-tlv.c b/drivers/nvmem/layouts/onie-tlv.c
> index 0967a32319a2..3d77680f089b 100644
> --- a/drivers/nvmem/layouts/onie-tlv.c
> +++ b/drivers/nvmem/layouts/onie-tlv.c
> @@ -128,6 +128,7 @@ static int onie_tlv_add_cells(struct device *dev, struct nvmem_device *nvmem,
>  
>  		ret = nvmem_add_one_cell(nvmem, &cell);
>  		if (ret) {
> +			of_node_put(cell.np);
>  			of_node_put(layout);
>  			return ret;
>  		}


      reply	other threads:[~2026-09-18 21:40 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-17 12:35 Wentao Liang
2026-09-18 21:40 ` Srinivas Kandagatla [this message]

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