From 1fd6909802b837ed5510603846c0ce5938d296a1 Mon Sep 17 00:00:00 2001 From: Franck Bui-Huu Date: Fri, 18 Aug 2006 16:18:07 +0200 Subject: [PATCH] [MIPS] unwind_stack(): return ra if an exception occured at the first instruction Signed-off-by: Franck Bui-Huu Signed-off-by: Ralf Baechle --- arch/mips/kernel/process.c | 7 +++++-- 1 file 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 */ -- GitLab