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i2c: core: decrease reference count of device node in i2c_unregister_device
Reference count of device node was increased in of_i2c_register_device, but without decreasing it in i2c_unregister_device. Then the added device node will never be released. Fix this by adding the of_node_put. Signed-off-by: Lixin Wang <alan.1.wang@nokia-sbell.com> Tested-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.org
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@ -821,8 +821,12 @@ void i2c_unregister_device(struct i2c_client *client)
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{
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{
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if (!client)
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if (!client)
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return;
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return;
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if (client->dev.of_node)
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if (client->dev.of_node) {
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of_node_clear_flag(client->dev.of_node, OF_POPULATED);
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of_node_clear_flag(client->dev.of_node, OF_POPULATED);
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of_node_put(client->dev.of_node);
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}
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if (ACPI_COMPANION(&client->dev))
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if (ACPI_COMPANION(&client->dev))
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acpi_device_clear_enumerated(ACPI_COMPANION(&client->dev));
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acpi_device_clear_enumerated(ACPI_COMPANION(&client->dev));
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device_unregister(&client->dev);
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device_unregister(&client->dev);
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