hi guys,
does anyone know what cause this error when i try to "make" the DYMOUM module?

gcc -Wall -O3 -g -O0 -DDEBUG -c -o blacklist.o blacklist.c
gcc -Wall -O3 -g -O0 -DDEBUG -o dymod debug.o dymo_generic.o dymo_netlink.o dymo_re.o dymo_socket.o dymo_timeout.o dymo_uerr.o dymo_rerr.o k_route.o rtable.o timer_queue.o main.o pending_rreq.o icmp_socket.o blacklist.o
make -C lnx KERNEL_DIR=/lib/modules/2.6.11.12/build KCC=gcc
make[1]: Entering directory `/home/dymoum-0.2/lnx'
make -C /lib/modules/2.6.11.12/build SUBDIRS=/home/dymoum-0.2/lnx modules
make[2]: Entering directory `/kernel-build/linux-2.6.11.12'
CC [M] /home/dymoum-0.2/lnx/kdymo_main.o
CC [M] /home/dymoum-0.2/lnx/kdymo_netlink.o
/home/dymoum-0.2/lnx/kdymo_netlink.c: In function `kdymo_netlink_rcv_sk':
/home/dymoum-0.2/lnx/kdymo_netlink.c:49: sorry, unimplemented: inlining failed in call to 'kdymo_netlink_rcv_skb': function body not available
/home/dymoum-0.2/lnx/kdymo_netlink.c:164: sorry, unimplemented: called from here
make[3]: *** [/home/dymoum-0.2/lnx/kdymo_netlink.o] Error 1
make[2]: *** [_module_/home/dymoum-0.2/lnx] Error 2
make[2]: Leaving directory `/kernel-build/linux-2.6.11.12'
make[1]: *** [kdymo.ko] Error 2
make[1]: Leaving directory `/home/dymoum-0.2/lnx'
make: *** [kdymo] Error 2

thank you very much for your help.
cheers