[PATCH 4.15 106/168] thermal: int3400_thermal: fix error handling in int3400_thermal_probe()

[Greg Kroah-Hartman]

4.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexey Khoroshilov <khoroshi...@ispras.ru>


[ 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 <khoroshi...@ispras.ru>
Signed-off-by: Zhang Rui <rui.zh...@intel.com>
Signed-off-by: Sasha Levin <alexander.le...@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/thermal/int340x_thermal/int3400_thermal.c |   10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

--- a/drivers/thermal/int340x_thermal/int3400_thermal.c
+++ b/drivers/thermal/int340x_thermal/int3400_thermal.c
@@ -319,17 +319,21 @@ static int int3400_thermal_probe(struct
 
        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);