// SPDX-License-Identifier: GPL-2.0

#include <linux/linkage.h>
#include <linux/error-injection.h>
#include <linux/kprobes.h>
#include <linux/objtool.h>

asmlinkage void just_return_func(void);

asm(
        ".text\n"
        ".type just_return_func, @function\n"
        ".globl just_return_func\n"
        ASM_FUNC_ALIGN
        "just_return_func:\n"
                ANNOTATE_NOENDBR "\n"
                ASM_RET
        ".size just_return_func, .-just_return_func\n"
);

void override_function_with_return(struct pt_regs *regs)
{
        regs->ip = (unsigned long)&just_return_func;
}
NOKPROBE_SYMBOL(override_function_with_return);