Null Pointer Error

Hi,

I am trying to write to a function in the kernel which could create a file and add data to it. I am unable to do it, as I am getting Null Pointer Error. I am using threads for this. I dont know if I am going right. Could someone help me with this. How do I write a function in the kernel which could create a file, and write data to it. Somehow, sys_open and sys_read are not working. I think I am doing some mistake somewhere. Please help me. Thanks in advance.

Sumit

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Hi Sumit,

A few days ago a similar question arrived to this list (as usual, this is a frequently asked question), and Richard B. Johnson replyied with a very good explanation of why operations such as these should be done in userland instead.
You can read it here:
http://marc.theaimsgroup.com/?l=linux-kernel&m=105551176615876&w=2

Regards,
Lucas