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71fbe886ce
In the function check_acpi_dev(), if it fails to create platform device, the return value is ERR_PTR() or NULL. Thus it must use IS_ERR_OR_NULL() to check return value. Fixes: ecc83e52b28c ("intel-hid: new hid event driver for hotkeys") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Lu Wei <luwei32@huawei.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>