What is *my_inode set to?

Jeba Anandhan A wrote:

>i have written kernel program to access the data
>structure of particular inode.
>
>#include<linux/kernel.h>
>#include<linux/module.h>
>#include<linux/fs.h>
>              
>static struct inode *my_inode;
>static unsigned long inode_no;
>  
>
>int init_module(void){
>  printk("inode module inserted\n");
>  inode_no=1304012;
>  printk("inode no=%d",inode_no);
>  my_inode->i_ino=inode_no; // it creates segmentation
>                            //fault why so..
>return 0;
>}
>              
>void cleanup_module(void){
>}
>