[mirror_ubuntu-bionic-kernel.git] / lib / test_module.c

/*
 * This module emits "Hello, world" on printk when loaded.
 *
 * It is designed to be used for basic evaluation of the module loading
 * subsystem (for example when validating module signing/verification). It
 * lacks any extra dependencies, and will not normally be loaded by the
 * system unless explicitly requested by name.
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/init.h>
#include <linux/module.h>
#include <linux/printk.h>

static int __init test_module_init(void)
{
	pr_warn("Hello, world\n");

	return 0;
}

module_init(test_module_init);

static void __exit test_module_exit(void)
{
	pr_warn("Goodbye\n");
}

module_exit(test_module_exit);

MODULE_AUTHOR("Kees Cook <keescook@chromium.org>");
MODULE_LICENSE("GPL");
Commit	Line	Data
93e9ef83 KC	1	/*
	2	* This module emits "Hello, world" on printk when loaded.
	3	*
	4	* It is designed to be used for basic evaluation of the module loading
	5	* subsystem (for example when validating module signing/verification). It
	6	* lacks any extra dependencies, and will not normally be loaded by the
	7	* system unless explicitly requested by name.
	8	*/
	9
	10	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
	11
	12	#include <linux/init.h>
	13	#include <linux/module.h>
	14	#include <linux/printk.h>
	15
	16	static int __init test_module_init(void)
	17	{
	18	pr_warn("Hello, world\n");
	19
	20	return 0;
	21	}
	22
	23	module_init(test_module_init);
	24
	25	static void __exit test_module_exit(void)
	26	{
	27	pr_warn("Goodbye\n");
	28	}
	29
	30	module_exit(test_module_exit);
	31
	32	MODULE_AUTHOR("Kees Cook <keescook@chromium.org>");
	33	MODULE_LICENSE("GPL");