reading a file from a module

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 I am facing problems during reading a file from my module. The file is a 
proc file.

 I am not using the systemcall open(). I am using the sys_open(). 

 I create a function pointer of the type sys_open say my_open

 and do 

 my_open = syscall[__NR_OPEN];

 and then use it to open the file...

 But when i do this, i am getting an errno of -14
which is I suppose illegal operation. So what more do i need to open the 
file from my module.

 thanks,
raghu

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