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41 lines
1.2 KiB
41 lines
1.2 KiB
7 years ago
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From c10ca57b760978f32d1d34d78cda9fd57e1e0bfa Mon Sep 17 00:00:00 2001
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From: Vladimir Serbinenko <phcoder@gmail.com>
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Date: Sun, 26 Jan 2014 03:31:10 +0100
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Subject: [PATCH 048/237] * grub-core/term/at_keyboard.c: Tolerate missing
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keyboard.
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---
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ChangeLog | 4 ++++
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grub-core/term/at_keyboard.c | 3 +++
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2 files changed, 7 insertions(+)
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diff --git a/ChangeLog b/ChangeLog
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index bbec1e7..d37d4a6 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,7 @@
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+2014-01-26 Vladimir Serbinenko <phcoder@gmail.com>
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+
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+ * grub-core/term/at_keyboard.c: Tolerate missing keyboard.
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+
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2014-01-26 Mike Gilbert <floppym@gentoo.org>
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grub-install: support for partitioned partx loop devices.
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diff --git a/grub-core/term/at_keyboard.c b/grub-core/term/at_keyboard.c
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index f5071ce..b4257e8 100644
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--- a/grub-core/term/at_keyboard.c
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+++ b/grub-core/term/at_keyboard.c
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@@ -396,6 +396,9 @@ fetch_key (int *is_break)
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if (! KEYBOARD_ISREADY (grub_inb (KEYBOARD_REG_STATUS)))
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return -1;
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at_key = grub_inb (KEYBOARD_REG_DATA);
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+ /* May happen if no keyboard is connected. Just ignore this. */
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+ if (at_key == 0xff)
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+ return -1;
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if (at_key == 0xe0)
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{
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e0_received = 1;
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--
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2.9.3
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