diff options
Diffstat (limited to 'arch/loongarch/lib')
| -rw-r--r-- | arch/loongarch/lib/Makefile | 2 | ||||
| -rw-r--r-- | arch/loongarch/lib/error-inject.c | 10 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/loongarch/lib/Makefile b/arch/loongarch/lib/Makefile index 271ed45f51bb..d60d4e096cfa 100644 --- a/arch/loongarch/lib/Makefile +++ b/arch/loongarch/lib/Makefile @@ -5,3 +5,5 @@ lib-y += delay.o memset.o memcpy.o memmove.o \ clear_user.o copy_user.o csum.o dump_tlb.o unaligned.o + +obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o diff --git a/arch/loongarch/lib/error-inject.c b/arch/loongarch/lib/error-inject.c new file mode 100644 index 000000000000..afc9e1c7c973 --- /dev/null +++ b/arch/loongarch/lib/error-inject.c @@ -0,0 +1,10 @@ +// 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->regs[1]); +} +NOKPROBE_SYMBOL(override_function_with_return); |