Re: How to add source files in kernel

[linux-os]

On Fri, 4 Feb 2005, Rahul Jain wrote:

> Hi All,
>
> I am trying to add 2 new files (a .h and a .c) in the kernel. I copied my
> .h file in /include/linux and .c in /net/core. I then made the
> following change to the Makefile in /net/core.
>
> obj-y := sock.o skbuff.o iovec.o datagram.o scm.o split_helper.o
>
> where split_helper.o is for the .c file that I am adding.
>
> The kernel recompilation went without any problems. I wrote loadable
> module programs that can access the functions defined in .c. When I try to
> install these modules, they came back with the following error
>
> /sbin/insmod x.o
> x.o: unresolved symbol enqueue_sfi
> x.o: unresolved symbol init_skbuff_list
> x.o: unresolved symbol get_head_sfi
> x.o: unresolved symbol search_sfi
> x.o: unresolved symbol enqueue_skbuff_list
> x.o: unresolved symbol init_head_sfi
> x.o:
> Hint: You are trying to load a module without a GPL compatible license
>      and it has unresolved symbols.  Contact the module supplier for
>      assistance, only they can help you.
>
> make: *** [install] Error 1
>
> These functions are defined in the .c file and declared with the extern
> keyword in the .h file. In my modules I am including the .h file.
>
> Any suggestions on what I might be missing here ?
>
> Thanks,
> Rahul.

MODULE_LICENSE("GPL");

Needs to be in one of your files. This is part of the
"New World Order".

Cheers,
Dick Johnson
Penguin : Linux version 2.6.10 on an i686 machine (5537.79 BogoMips).
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