I have open suse 10.2 installed on my machine but i am facing one problem.

I am working on a project and hence i want to install a module in the kernel.
but using following make file its giving me errors.
Can anybody help me in this

ifneq (${KERNELRELEASE},)
obj-m += my_module.o
else
KERNEL_SOURCE := /lib/modules/$(shell uname -r)/build
PWD := $(shell pwd)

default:
$(MAKE) -C ${KERNEL_SOURCE} SUBDIRS=$(PWD) modules
clean :
rm *.o *.ko
endif