From: Manivannan Sadhasivam <mani@kernel.org>
To: Wentao Liang <vulab@iscas.ac.cn>
Cc: linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org,
mchehab+huawei@kernel.org, neil.armstrong@linaro.org,
vkoul@kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] phy: HiSilicon: Fix device node reference leak in hi3670_pcie_get_resources_from_pcie()
Date: Mon, 12 Oct 2026 21:39:58 +0530 [thread overview]
Message-ID: <as0GUIYPYYoyq00T@debian> (raw)
In-Reply-To: <20260917134144.2153731-1-vulab@iscas.ac.cn>
On Thu, Sep 17, 2026 at 01:41:44PM +0000, Wentao Liang wrote:
> hi3670_pcie_get_resources_from_pcie() obtains the "pcie" child node
> with of_get_child_by_name(), which takes a reference on the node, but
> never releases it: both the "Didn't find pcie device" and the "Failed
> to get APB regmap" error paths, as well as the success path, return
> without calling of_node_put().
>
> The node is only needed for the device lookup, so drop the reference
> right after bus_find_device_by_of_node().
>
> Fixes: 73075011ffff ("phy: HiSilicon: Add driver for Kirin 970 PCIe PHY")
> Cc: stable@vger.kernel.org
> Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
- Mani
--
மணிவண்ணன் சதாசிவம்
prev parent reply other threads:[~2026-10-12 16:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-17 13:41 Wentao Liang
2026-10-12 16:09 ` Manivannan Sadhasivam [this message]
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