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, if (!kallsyms_lookup(pc, &size, &ofs, &modname, namebuf)) return 0; - if (ofs == 0) - return 0; + /* + * Return ra if an exception occured at the first instruction + */ + if (unlikely(ofs == 0)) + return ra; info.func = (void *)(pc - ofs); info.func_size = ofs; /* analyze from start to ofs */ |