linux/arch/arm/lib/error-inject.c
Wang Kefeng aaa4dd1b47 ARM: 9279/1: support function error injection
This enables HAVE_FUNCTION_ERROR_INJECTION by adding necessary
regs_set_return_value() and override_function_with_return().

Simply tested according to Documentation/fault-injection/fault-injection.rst.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-12-07 14:08:38 +00:00

11 lines
255 B
C

// SPDX-License-Identifier: GPL-2.0
#include <linux/error-injection.h>
#include <linux/kprobes.h>
void override_function_with_return(struct pt_regs *regs)
{
instruction_pointer_set(regs, regs->ARM_lr);
}
NOKPROBE_SYMBOL(override_function_with_return);