diff options
Diffstat (limited to 'arch/arm/lib')
| -rw-r--r-- | arch/arm/lib/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/lib/error-inject.c | 10 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index 42fb75c06647..650404be6768 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -44,3 +44,5 @@ ifeq ($(CONFIG_KERNEL_MODE_NEON),y) CFLAGS_xor-neon.o += $(NEON_FLAGS) obj-$(CONFIG_XOR_BLOCKS) += xor-neon.o endif + +obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o diff --git a/arch/arm/lib/error-inject.c b/arch/arm/lib/error-inject.c new file mode 100644 index 000000000000..5a5b405792ba --- /dev/null +++ b/arch/arm/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->ARM_lr); +} +NOKPROBE_SYMBOL(override_function_with_return); |