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Altera_Forum's avatar
Altera_Forum
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16 years ago

Ioctl problem

Hi, I'm writing a device driver and I have problems with the ioctl function. When I run my user application associated with the driver in the terminal, "printks" that are inside my module funct...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Hi,

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Maby I'm wrong but I'm not agree with you. It's true that 'fwrite' is a function of <stdio.h> library , but it is connected with my kernel function write.

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Maybe you wrote next codes somewhere in your kernel. 


printk("Copy_from_user:%d\n", **);
printk("I'm here\n");
And where? That is the problem.

Kazu