| // SPDX-License-Identifier: GPL-2.0 | |
| #include <linux/error-injection.h> | |
| #include <linux/kprobes.h> | |
| void override_function_with_return(struct pt_regs *regs) | |
| { | |
| /* | |
| * 'regs' represents the state on entry of a predefined function in | |
| * the kernel/module and which is captured on a kprobe. | |
| * | |
| * When kprobe returns back from exception it will override the end | |
| * of probed function and directly return to the predefined | |
| * function's caller. | |
| */ | |
| instruction_pointer_set(regs, procedure_link_pointer(regs)); | |
| } | |
| NOKPROBE_SYMBOL(override_function_with_return); |