kernel programming

I am trying to make linux kernel module to read two files and match data between them. I am unable to do so because of syntax as well as header library problems. Can you please provide me a code which can help me to complete this task ASAP.

Hello, I am currently working on bachelor thesis named "Access Controll for USB Bus". As title says, I need to make software, which will block some USB devices, depending on user input (specific type of USB, for example all mouses or all devices from specific vendor). Unfortunately, my...