On 2012年08月02日 12:18, Kevin Cernekee wrote:
On Wed, Aug 1, 2012 at 8:31 PM, Fan Du<fdu@xxxxxxxxxxxxx> wrote:
show_backtrace must have an valid task when calling unwind_stack,
so fix it by checking first.
[...]
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -151,6 +151,10 @@ static void show_backtrace(struct task_struct *task, const struct pt_regs *regs)
show_raw_backtrace(sp);
return;
}
+
+ if (task == NULL)
+ task = current;
+
printk("Call Trace:\n");
do {
print_ip_sym(pc);
FYI, a slightly different version of this change was accepted:
https://patchwork.linux-mips.org/patch/3524/
Oh, Looks like I'm late :)
thanks anyway.
--
Love each day!
--fan
