Messages in this thread | | | Date | Fri, 4 Feb 2005 15:22:25 -0500 (EST) | From | linux-os <> | Subject | Re: How to add source files in kernel |
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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".
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