Re: [Ltib] The sample example not working

[Stuart Hughes]

Hi Malay,

How did you build it? (what commands)

Regards, Stuart

malay jajodia wrote:
> Hi,
> 
> I have just created a sample helloworld driver and it was built and
> deployed successfully at location
> /rootfs/lib/modules/2.6.27.8/misc/hello-1.ko
> <http://2.6.27.8/misc/hello-1.ko>. Yet when i run insmod hello-1.ko i
> get the output "insmod: cannot insert 'hello-1.ko': invalid module
> format" Following is my source file and the makefile.
> 
> ***************hello-1.c******************
> #include <linux/module.h>    /* Needed by all modules */
> #include <linux/kernel.h>    /* Needed for KERN_INFO */
> int init_module(void)
> {
>     printk(KERN_INFO "Hello world 1.\n");
>     return 0;
> }
> 
> void cleanup_module(void)
> {
>     printk(KERN_INFO "Goodbye world 1.\n");
> }
> 
> 
> *****************Makefile**********************
> ifneq ($(KERNELRELEASE),) # kbuild part of makefile
> obj-m += hello-1.o
> 
> else # Normal part of the Makefile
> 
> KERNELDIR = ../linux
> ARCH      = $(LINTARCH)
> 
> all:
>     $(MAKE) ARCH=$(ARCH) -C $(KERNELDIR) M=$(PWD)
> 
> install:
>     @echo "copy hello-1.ko to your module directory"
> 
> clean:
>     $(MAKE) -C $(KERNELDIR) M=$(PWD) clean
>     @rm -f Module.symvers
> 
> endif
> 
> ----------------------------
> Please help!
> 
> -Malay
> 
>