From 6e05e7f0f869af96ecb95b6d021b46f7e15c28c9 Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Sun, 22 Aug 2010 17:44:03 +0200
Subject: [PATCH] Properly handle extended_pending

---
 term/at_keyboard.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/term/at_keyboard.c b/term/at_keyboard.c
index 2b7dd9bee..4213b29db 100644
--- a/term/at_keyboard.c
+++ b/term/at_keyboard.c
@@ -122,13 +122,21 @@ grub_keyboard_getkey (void)
   if (! KEYBOARD_ISREADY (grub_inb (KEYBOARD_REG_STATUS)))
     return -1;
   key = grub_inb (KEYBOARD_REG_DATA);
+  if (key == 0xe0)
+    {
+      extended_pending = 1;
+      return -1;
+    }
   /* FIXME */ grub_keyboard_isr (key);
   ret = KEYBOARD_SCANCODE (key);
   if (ret == SHIFT_L || ret == SHIFT_R || ret == ALT || ret == CTRL)
-    return -1;
+    {
+      extended_pending = 0;
+      return -1;
+    }
   if (extended_pending)
     ret |= 0x80;
-  extended_pending = (key == 0xe0);
+  extended_pending = 0;
   if (! KEYBOARD_ISMAKE (key))
     return -1;
   return ret;