diff options
-rw-r--r-- | arch/arm/kernel/unwind.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c index 786ac2b6914a..50292cd9c120 100644 --- a/arch/arm/kernel/unwind.c +++ b/arch/arm/kernel/unwind.c | |||
@@ -359,7 +359,9 @@ void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk) | |||
359 | frame.fp = regs->ARM_fp; | 359 | frame.fp = regs->ARM_fp; |
360 | frame.sp = regs->ARM_sp; | 360 | frame.sp = regs->ARM_sp; |
361 | frame.lr = regs->ARM_lr; | 361 | frame.lr = regs->ARM_lr; |
362 | frame.pc = regs->ARM_pc; | 362 | /* PC might be corrupted, use LR in that case. */ |
363 | frame.pc = kernel_text_address(regs->ARM_pc) | ||
364 | ? regs->ARM_pc : regs->ARM_lr; | ||
363 | } else if (tsk == current) { | 365 | } else if (tsk == current) { |
364 | frame.fp = (unsigned long)__builtin_frame_address(0); | 366 | frame.fp = (unsigned long)__builtin_frame_address(0); |
365 | frame.sp = current_sp; | 367 | frame.sp = current_sp; |