Merge some files and rewrite the update history

kernel/core_hook.c

@@ -236,12 +236,10 @@ static void nuke_ext4_sysfs() {
 	const char* name = sb->s_type->name;
 	if (strcmp(name, "ext4") != 0) {
 		pr_info("nuke but module aren't mounted\n");
-		path_put(&path);
 		return;
 	}
 
 	ext4_unregister_sysfs(sb);
- 	path_put(&path);
 }
 
 int ksu_handle_prctl(int option, unsigned long arg2, unsigned long arg3,
@@ -886,7 +884,9 @@ void __init ksu_core_init(void)
 
 void ksu_core_exit(void)
 {
+#ifdef CONFIG_KPROBE
 	pr_info("ksu_core_kprobe_exit\n");
 	// we dont use this now
 	// ksu_kprobe_exit();
+#endif
 }