mirror of
https://github.com/sysprog21/lkmpg.git
synced 2024-11-22 13:30:42 +08:00
d85944d107
The latter might have been used along with printk() in an earlier version, but pr_info() is getting used consistently so adjust the #include comments accordingly. For the avoidance of doubt, pr_info() actually comes from printk.h, which gets #include'd by kernel.h.
21 lines
397 B
C
21 lines
397 B
C
/*
|
|
* hello-1.c - The simplest kernel module.
|
|
*/
|
|
#include <linux/kernel.h> /* Needed for pr_info() */
|
|
#include <linux/module.h> /* Needed by all modules */
|
|
|
|
int init_module(void)
|
|
{
|
|
pr_info("Hello world 1.\n");
|
|
|
|
/* A non 0 return means init_module failed; module can't be loaded. */
|
|
return 0;
|
|
}
|
|
|
|
void cleanup_module(void)
|
|
{
|
|
pr_info("Goodbye world 1.\n");
|
|
}
|
|
|
|
MODULE_LICENSE("GPL");
|