| 1 | |
| 2 | |
| 3 |
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| 4 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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| 5 |
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| 6 | #include <linux/module.h>
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| 7 | #include <linux/kernel.h>
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| 8 | #include <linux/proc_fs.h>
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| 9 | #include <linux/seq_file.h>
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| 10 |
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| 11 | static struct proc_dir_entry *pde;
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| 12 |
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| 13 | static noinline int test_klp_mod_target_show(struct seq_file *m, void *v)
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| 14 | {
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| 15 | seq_printf(m, "%s: %s\n", THIS_MODULE->name, "original output");
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| 16 | return 0;
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| 17 | }
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| 18 |
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| 19 | static int test_klp_mod_target_init(void)
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| 20 | {
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| 21 | pr_info("%s\n", __func__);
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| 22 | pde = proc_create_single("test_klp_mod_target", 0, NULL,
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| 23 | test_klp_mod_target_show);
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| 24 | if (!pde)
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| 25 | return -ENOMEM;
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| 26 | return 0;
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| 27 | }
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| 28 |
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| 29 | static void test_klp_mod_target_exit(void)
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| 30 | {
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| 31 | pr_info("%s\n", __func__);
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| 32 | proc_remove(pde);
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| 33 | }
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| 34 |
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| 35 | module_init(test_klp_mod_target_init);
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| 36 | module_exit(test_klp_mod_target_exit);
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| 37 | MODULE_LICENSE("GPL");
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| 38 | MODULE_AUTHOR("Pablo Hugen <[email protected]>");
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| 39 | MODULE_DESCRIPTION("Livepatch test: target module with proc entry");
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