serdev: fix memleak on module unload
Make sure to free all resources associated with the ida on module
exit.
Fixes: cd6484e183
("serdev: Introduce new bus for serial attached devices")
Cc: stable <stable@vger.kernel.org> # 4.11
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -617,6 +617,7 @@ EXPORT_SYMBOL_GPL(__serdev_device_driver_register);
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static void __exit serdev_exit(void)
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{
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bus_unregister(&serdev_bus_type);
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ida_destroy(&ctrl_ida);
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}
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module_exit(serdev_exit);
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