x86, dumpstack: always call oops_exit from oops_end

Always call oops_exit from oops_end, even if signr==0.

Also, move add_taint(TAINT_DIE) from __die to oops_end
on x86_64 and interchange two lines to make oops_end
more similar to the i386-version.

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 5 insertions, 6 deletions

diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index 57ce11b895ce..dc6162bf7454 100644
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -461,22 +461,22 @@ void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr)
         if (regs && kexec_should_crash(current))
                 crash_kexec(regs);
 
-        die_owner = -1;
         bust_spinlocks(0);
+        die_owner = -1;
+        add_taint(TAINT_DIE);
         die_nest_count--;
         if (!die_nest_count)
                 /* Nest count reaches zero, release the lock. */
                 __raw_spin_unlock(&die_lock);
         raw_local_irq_restore(flags);
-        if (!signr) {
-                oops_exit();
+        oops_exit();
+
+        if (!signr)
                 return;
-        }
         if (in_interrupt())
                 panic("Fatal exception in interrupt");
         if (panic_on_oops)
                 panic("Fatal exception");
-        oops_exit();
         do_exit(signr);
 }
 
@@ -499,7 +499,6 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err)
                 return 1;
 
         show_registers(regs);
-        add_taint(TAINT_DIE);
         /* Executive summary in case the oops scrolled away */
         printk(KERN_ALERT "RIP ");
         printk_address(regs->ip, 1);