linux-kernel - [PATCH 2/3] staging: greybus: arche-platform: fix memleak on probe failure

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Message-ID: <20251219105928.23329-3-johan@kernel.org>
Date: Fri, 19 Dec 2025 11:59:27 +0100
From: Johan Hovold <johan@...nel.org>
To: Johan Hovold <johan@...nel.org>,
	Alex Elder <elder@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Vaibhav Hiremath <hvaibhav.linux@...il.com>
Cc: greybus-dev@...ts.linaro.org,
	linux-staging@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] staging: greybus: arche-platform: fix memleak on probe failure

Make sure to depopulate the child devices in case of late probe
failures to avoid leaking the corresponding resources.

Fixes: fd60ac585607 ("greybus: arche-platform: Fix boot, poweroff and fw_flashing seq with APBs")
Signed-off-by: Johan Hovold <johan@...nel.org>
---
 drivers/staging/greybus/arche-platform.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/greybus/arche-platform.c b/drivers/staging/greybus/arche-platform.c
index bd069d75391b..7dcb33a6f2e3 100644
--- a/drivers/staging/greybus/arche-platform.c
+++ b/drivers/staging/greybus/arche-platform.c
@@ -523,10 +523,9 @@ static int arche_platform_probe(struct platform_device *pdev)
 
 	arche_pdata->pm_notifier.notifier_call = arche_platform_pm_notifier;
 	ret = register_pm_notifier(&arche_pdata->pm_notifier);
-
 	if (ret) {
 		dev_err(dev, "failed to register pm notifier %d\n", ret);
-		goto err_device_remove;
+		goto err_depopulate;
 	}
 
 	/* Explicitly power off if requested */
@@ -547,6 +546,8 @@ static int arche_platform_probe(struct platform_device *pdev)
 
 err_unregister_pm_notifier:
 	unregister_pm_notifier(&arche_pdata->pm_notifier);
+err_depopulate:
+	of_platform_depopulate(dev);
 err_device_remove:
 	device_remove_file(&pdev->dev, &dev_attr_state);
 	return ret;
-- 
2.51.2