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| author | James Morris <jmorris@namei.org> | 2010-03-31 08:39:27 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2010-03-31 08:39:27 +1100 |
| commit | d25d6fa1a95f465ff1ec4458ca15e30b2c8dffec (patch) | |
| tree | 7362b182dedd825fc762ef7706830837e42943af /arch/arm/kernel/unwind.c | |
| parent | 225a9be24d799aa16d543c31fb09f0c9ed1d9caa (diff) | |
| parent | 2eaa9cfdf33b8d7fb7aff27792192e0019ae8fc6 (diff) | |
Merge branch 'master' into next
Diffstat (limited to 'arch/arm/kernel/unwind.c')
| -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) frame.fp = regs->ARM_fp; frame.sp = regs->ARM_sp; frame.lr = regs->ARM_lr; - frame.pc = regs->ARM_pc; + /* PC might be corrupted, use LR in that case. */ + frame.pc = kernel_text_address(regs->ARM_pc) + ? regs->ARM_pc : regs->ARM_lr; } else if (tsk == current) { frame.fp = (unsigned long)__builtin_frame_address(0); frame.sp = current_sp; |