From: Johan Hovold <johan@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Danilo Krummrich <dakr@kernel.org>,
Johan Hovold <johan@kernel.org>
Cc: driver-core@lists.linux.dev, linux-kernel@vger.kernel.org,
stable@vger.kernel.org, Won Chung <wonchung@google.com>
Subject: [PATCH] driver core: fix memory leak in physical location error path
Date: Mon, 2 Nov 2026 09:30:18 +0100 [thread overview]
Message-ID: <20261102083018.1275566-1-johan@kernel.org> (raw)
Make sure to free the physical location memory also in the unlikely
event that creating its sysfs attributes fails during probe.
Fixes: 6423d2951087 ("driver core: Add sysfs support for physical location of a device")
Closes: https://sashiko.dev/#/bug/linux-b178c32c-f23b-48fd-9463-70f321f2d91e
Cc: stable@vger.kernel.org # 5.19
Cc: Won Chung <wonchung@google.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/base/core.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index cbe05197d4a0..bf97b06337a1 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -3011,12 +3011,13 @@ static int device_add_attrs(struct device *dev)
error = device_add_group(dev,
&dev_attr_physical_location_group);
if (error)
- goto err_remove_dev_removable;
+ goto err_free_physical_location;
}
return 0;
- err_remove_dev_removable:
+ err_free_physical_location:
+ kfree(dev->physical_location);
device_remove_file(dev, &dev_attr_removable);
err_remove_dev_waiting_for_supplier:
device_remove_file(dev, &dev_attr_waiting_for_supplier);
--
2.55.0
reply other threads:[~2026-11-02 8:30 UTC|newest]
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