diff --git a/arch/arm64/kernel/livepatch.c b/arch/arm64/kernel/livepatch.c
index e43afc7871486146de2052fdc1e3172fd3cb26f9..ead6a34bb523453b26f85afb6670924b374f4f66 100644
--- a/arch/arm64/kernel/livepatch.c
+++ b/arch/arm64/kernel/livepatch.c
@@ -34,6 +34,7 @@
 
 #ifdef CONFIG_LIVEPATCH_WO_FTRACE
 #include <linux/sched/debug.h>
+#include <linux/kallsyms.h>
 #endif
 
 #ifdef CONFIG_ARM64_MODULE_PLTS
@@ -288,4 +289,29 @@ void arch_klp_unpatch_func(struct klp_func *func)
 #endif
 	}
 }
+
+#ifdef CONFIG_ARM64_MODULE_PLTS
+/* return 0 if the func can be patched */
+int arch_klp_func_can_patch(struct klp_func *func)
+{
+	unsigned long pc = func->old_addr;
+	unsigned long new_addr = (unsigned long)func->new_func;
+	unsigned long old_size = func->old_size;
+
+	if ((long)old_size <= 0)
+		return -EINVAL;
+
+	if (!offset_in_range(pc, new_addr, SZ_128M) &&
+	  (old_size < LJMP_INSN_SIZE * sizeof(u32))) {
+		pr_err("func %s size less than limit\n", func->old_name);
+		return -EPERM;
+	}
+	return 0;
+}
+#else
+int arch_klp_func_can_patch(struct klp_func *func)
+{
+	return 0;
+}
+#endif /* #ifdef CONFIG_ARM64_MODULE_PLTS */
 #endif
diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
index 4b481176681a39024b68ad67e3f11ed3368fe4b5..1fdb688475e9dc7ff078a3c88577487e4c024bd0 100644
--- a/kernel/livepatch/core.c
+++ b/kernel/livepatch/core.c
@@ -916,14 +916,31 @@ static void klp_free_patch(struct klp_patch *patch)
 		list_del(&patch->list);
 }
 
+#ifdef CONFIG_LIVEPATCH_WO_FTRACE
+int __weak arch_klp_func_can_patch(struct klp_func *func)
+{
+	return 0;
+}
+#endif
+
 static int klp_init_func(struct klp_object *obj, struct klp_func *func)
 {
+#ifdef CONFIG_LIVEPATCH_WO_FTRACE
+	int ret;
+#endif
+
 	if (!func->old_name || !func->new_func)
 		return -EINVAL;
 
 	if (strlen(func->old_name) >= KSYM_NAME_LEN)
 		return -EINVAL;
 
+#ifdef CONFIG_LIVEPATCH_WO_FTRACE
+	ret = arch_klp_func_can_patch(func);
+	if (ret)
+		return ret;
+#endif
+
 	INIT_LIST_HEAD(&func->stack_node);
 	func->patched = false;
 #ifdef CONFIG_LIVEPATCH_FTRACE
@@ -1015,18 +1032,19 @@ static int klp_init_object(struct klp_patch *patch, struct klp_object *obj)
 	if (ret)
 		goto put;
 
-	klp_for_each_func(obj, func) {
-		ret = klp_init_func(obj, func);
+	if (klp_is_object_loaded(obj)) {
+		ret = klp_init_object_loaded(patch, obj);
 		if (ret)
 			goto out;
 	}
 
-	if (klp_is_object_loaded(obj)) {
-		ret = klp_init_object_loaded(patch, obj);
+	klp_for_each_func(obj, func) {
+		ret = klp_init_func(obj, func);
 		if (ret)
 			goto free;
 	}
 
+
 	return 0;
 
 free: