kernel 2.2.18

[nur]

I receive this error every time i compile kernel with doc2000 or doc 2001
support
I do something wrong?
Thanks


cc -D__KERNEL__ -I/usr/src/rtlinux_kernel_2.2.18-rtl/include -Wall -Wstrict-
prototypes -O2 -fomit-frame-pointer -fno-strict-aliasing -pipe -fno-strength
-reduce
-m486 -DCPU=486 -DMODULE   -c -o doc2000.o doc2000.c
doc2000.c: In function `init_doc2000':
doc2000.c:1090: warning: implicit declaration of function
`inter_module_register'
doc2000.c: At top level:
doc2000.c:1094: parse error before `cleanup_doc2000'
doc2000.c:1095: warning: return-type defaults to `int'
doc2000.c: In function `cleanup_doc2000':
doc2000.c:1109: warning: implicit declaration of function
`inter_module_unregister'
doc2000.c:1110: warning: control reaches end of non-void function
doc2000.c: In function `__cleanup_module_inline':
doc2000.c:1112: warning: return from incompatible pointer type
make[2]: *** [doc2000.o] Error 1
make[2]: Leaving directory `/usr/src/rtlinux_kernel_2.2.18-rtl/drivers/mtd'
make[1]: *** [_modsubdir_mtd] Error 2
make[1]: Leaving directory `/usr/src/rtlinux_kernel_2.2.18-rtl/drivers'
make: *** [_mod_drivers] Error 2