diff options
-rw-r--r-- | arch/mips/kernel/process.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 951bf9ca3ce9..e7b0b385fb2b 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c | |||
@@ -465,8 +465,11 @@ unsigned long unwind_stack(struct task_struct *task, unsigned long *sp, | |||
465 | 465 | ||
466 | if (!kallsyms_lookup(pc, &size, &ofs, &modname, namebuf)) | 466 | if (!kallsyms_lookup(pc, &size, &ofs, &modname, namebuf)) |
467 | return 0; | 467 | return 0; |
468 | if (ofs == 0) | 468 | /* |
469 | return 0; | 469 | * Return ra if an exception occured at the first instruction |
470 | */ | ||
471 | if (unlikely(ofs == 0)) | ||
472 | return ra; | ||
470 | 473 | ||
471 | info.func = (void *)(pc - ofs); | 474 | info.func = (void *)(pc - ofs); |
472 | info.func_size = ofs; /* analyze from start to ofs */ | 475 | info.func_size = ofs; /* analyze from start to ofs */ |