42 lines
1.2 KiB
Diff
42 lines
1.2 KiB
Diff
From 6313937e7275a3117ceee46a3030a7e9c08720e9 Mon Sep 17 00:00:00 2001
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Mon, 29 Apr 2013 11:57:51 +0200
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Subject: [PATCH 383/471] * grub-core/lib/arg.c (grub_arg_show_help):
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Fix a NULL pointer dereference. Reported by: qwertial.
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---
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ChangeLog | 6 ++++++
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grub-core/lib/arg.c | 2 +-
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2 files changed, 7 insertions(+), 1 deletion(-)
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diff --git a/ChangeLog b/ChangeLog
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index 32a2a8e..41a941c 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,9 @@
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+2013-04-29 Vladimir Serbinenko <phcoder@gmail.com>
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+
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+ * grub-core/lib/arg.c (grub_arg_show_help): Fix a NULL pointer
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+ dereference.
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+ Reported by: qwertial.
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+
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2013-04-28 Vladimir Serbinenko <phcoder@gmail.com>
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* docs/grub.texi: Add a comment about usefullness of nativedisk.
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diff --git a/grub-core/lib/arg.c b/grub-core/lib/arg.c
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index 7492ac6..9cc18dc 100644
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--- a/grub-core/lib/arg.c
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+++ b/grub-core/lib/arg.c
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@@ -158,7 +158,7 @@ grub_arg_show_help (grub_extcmd_t cmd)
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show_usage (cmd);
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grub_printf ("%s\n\n", _(cmd->cmd->description));
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- for (opt = cmd->options; opt->doc; opt++)
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+ for (opt = cmd->options; opt && opt->doc; opt++)
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switch (opt->shortarg)
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{
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case 'h':
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--
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1.8.2.1
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