| // SPDX-License-Identifier: GPL-2.0 | |
| #include <linux/linkage.h> | |
| #include <linux/error-injection.h> | |
| #include <linux/kprobes.h> | |
| asmlinkage void just_return_func(void); | |
| asm( | |
| ".text\n" | |
| ".type just_return_func, @function\n" | |
| ".globl just_return_func\n" | |
| "just_return_func:\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); |