From: Johan Hovold <johan@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Thinh Nguyen <Thinh.Nguyen@synopsys.com>, Bin Liu <b-liu@ti.com>
Cc: Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
Johan Hovold <johan@kernel.org>,
stable@vger.kernel.org
Subject: [PATCH 2/5] usb: dwc3: meson-g12a: fix device leaks at unbind
Date: Thu, 24 Jul 2025 11:19:07 +0200 [thread overview]
Message-ID: <20250724091910.21092-3-johan@kernel.org> (raw)
In-Reply-To: <20250724091910.21092-1-johan@kernel.org>
Make sure to drop the references taken to the child devices by
of_find_device_by_node() during probe on driver unbind.
Fixes: c99993376f72 ("usb: dwc3: Add Amlogic G12A DWC3 glue")
Cc: stable@vger.kernel.org # 5.2
Cc: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/dwc3/dwc3-meson-g12a.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c
index 7d80bf7b18b0..55e144ba8cfc 100644
--- a/drivers/usb/dwc3/dwc3-meson-g12a.c
+++ b/drivers/usb/dwc3/dwc3-meson-g12a.c
@@ -837,6 +837,9 @@ static void dwc3_meson_g12a_remove(struct platform_device *pdev)
usb_role_switch_unregister(priv->role_switch);
+ put_device(priv->switch_desc.udc);
+ put_device(priv->switch_desc.usb2_port);
+
of_platform_depopulate(dev);
for (i = 0 ; i < PHY_COUNT ; ++i) {
--
2.49.1
next prev parent reply other threads:[~2025-07-24 9:19 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-24 9:19 [PATCH 0/5] USB: fix device leaks at unbind Johan Hovold
2025-07-24 9:19 ` [PATCH 1/5] usb: dwc3: imx8mp: fix device leak " Johan Hovold
2025-07-24 9:19 ` Johan Hovold [this message]
2025-07-24 20:40 ` [PATCH 2/5] usb: dwc3: meson-g12a: fix device leaks " Martin Blumenstingl
2025-07-24 9:19 ` [PATCH 3/5] usb: gadget: udc: renesas_usb3: fix device leak " Johan Hovold
2025-07-24 9:19 ` [PATCH 4/5] usb: musb: omap2430: " Johan Hovold
2025-07-30 22:33 ` Kevin Hilman
2025-07-24 9:19 ` [PATCH 5/5] usb: musb: omap2430: clean up probe error handling Johan Hovold
2025-07-30 22:33 ` Kevin Hilman
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