CVE-2022-50169 wifi: wil6210: debugfs: fix info leak in wil_write_file_wmi()

In the Linux kernel, the following vulnerability has been resolved: wifi: wil6210: debugfs: fix info leak in wilwritefilewmi The simplewritetobuffer function will succeed if even a single byte is initialized. However, we need to initialize the whole buffer to prevent information leaks. Just use...