thermal: int3400_thermal: fix error handling in int3400_thermal_probe()
authorAlexey Khoroshilov <khoroshilov@ispras.ru>
Fri, 29 Dec 2017 22:05:21 +0000 (01:05 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 12 Apr 2018 10:32:21 +0000 (12:32 +0200)
[ Upstream commit 0be86969ae385c5c944286bd9f66068525de15ee ]

There are resources that are not dealocated on failure path
in int3400_thermal_probe().

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/thermal/int340x_thermal/int3400_thermal.c

index 8ee38f5..43b90fd 100644 (file)
@@ -319,17 +319,21 @@ static int int3400_thermal_probe(struct platform_device *pdev)
 
        result = sysfs_create_group(&pdev->dev.kobj, &uuid_attribute_group);
        if (result)
-               goto free_zone;
+               goto free_rel_misc;
 
        result = acpi_install_notify_handler(
                        priv->adev->handle, ACPI_DEVICE_NOTIFY, int3400_notify,
                        (void *)priv);
        if (result)
-               goto free_zone;
+               goto free_sysfs;
 
        return 0;
 
-free_zone:
+free_sysfs:
+       sysfs_remove_group(&pdev->dev.kobj, &uuid_attribute_group);
+free_rel_misc:
+       if (!priv->rel_misc_dev_res)
+               acpi_thermal_rel_misc_device_remove(priv->adev->handle);
        thermal_zone_device_unregister(priv->thermal);
 free_art_trt:
        kfree(priv->trts);