From c10ca57b760978f32d1d34d78cda9fd57e1e0bfa Mon Sep 17 00:00:00 2001

From: Vladimir Serbinenko <phcoder@gmail.com>

Date: Sun, 26 Jan 2014 03:31:10 +0100

Subject: [PATCH 048/198] * grub-core/term/at_keyboard.c: Tolerate missing

 keyboard.

---

 ChangeLog                    | 4 ++++

 grub-core/term/at_keyboard.c | 3 +++

 2 files changed, 7 insertions(+)

diff --git a/ChangeLog b/ChangeLog

index bbec1e7..d37d4a6 100644

--- a/ChangeLog

+++ b/ChangeLog

@@ -1,3 +1,7 @@

+2014-01-26  Vladimir Serbinenko  <phcoder@gmail.com>

+

+	* grub-core/term/at_keyboard.c: Tolerate missing keyboard.

+

 2014-01-26  Mike Gilbert <floppym@gentoo.org>

 	grub-install: support for partitioned partx loop devices.

diff --git a/grub-core/term/at_keyboard.c b/grub-core/term/at_keyboard.c

index f5071ce..b4257e8 100644

--- a/grub-core/term/at_keyboard.c

+++ b/grub-core/term/at_keyboard.c

@@ -396,6 +396,9 @@ fetch_key (int *is_break)

   if (! KEYBOARD_ISREADY (grub_inb (KEYBOARD_REG_STATUS)))

     return -1;

   at_key = grub_inb (KEYBOARD_REG_DATA);

+  /* May happen if no keyboard is connected. Just ignore this.  */

+  if (at_key == 0xff)

+    return -1;

   if (at_key == 0xe0)

     {

       e0_received = 1;

-- 

2.7.4