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From 0e882e0c48a93f7e187fd403ffb32d3ad861ee77 Mon Sep 17 00:00:00 2001
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Mon, 15 Apr 2013 00:38:39 +0200
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Subject: [PATCH 313/482] * grub-core/disk/ieee1275/ofdisk.c: Fix CD-ROM
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and boot device detection.
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---
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ChangeLog | 5 +++++
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grub-core/disk/ieee1275/ofdisk.c | 21 +++++++++++++++++++--
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2 files changed, 24 insertions(+), 2 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index a4d9555..b372668 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,8 @@
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+2013-04-15 Vladimir Serbinenko <phcoder@gmail.com>
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+
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+ * grub-core/disk/ieee1275/ofdisk.c: Fix CD-ROM and boot device
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+ detection.
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+
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2013-04-14 Vladimir Serbinenko <phcoder@gmail.com>
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* grub-core/lib/posix_wrap/sys/types.h: Make WORDS_BIGENDIAN definition
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diff --git a/grub-core/disk/ieee1275/ofdisk.c b/grub-core/disk/ieee1275/ofdisk.c
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index bebf777..ec92c4d 100644
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--- a/grub-core/disk/ieee1275/ofdisk.c
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+++ b/grub-core/disk/ieee1275/ofdisk.c
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@@ -32,6 +32,7 @@ struct ofdisk_hash_ent
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{
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char *devpath;
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int is_boot;
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+ int is_cdrom;
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/* Pointer to shortest available name on nodes representing canonical names,
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otherwise NULL. */
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const char *shortest;
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@@ -80,6 +81,18 @@ ofdisk_hash_add_real (char *devpath)
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return p;
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}
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+static int
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+check_string_cdrom (const char *str)
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+{
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+ const char *ptr = grub_strrchr (str, '/');
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+
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+ if (ptr)
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+ ptr++;
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+ else
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+ ptr = str;
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+ return (grub_strncmp (ptr, "cdrom", 5) == 0);
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+}
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+
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static struct ofdisk_hash_ent *
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ofdisk_hash_add (char *devpath, char *curcan)
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{
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@@ -92,6 +105,8 @@ ofdisk_hash_add (char *devpath, char *curcan)
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if (!curcan)
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{
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p->shortest = devpath;
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+ if (check_string_cdrom (devpath))
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+ p->is_cdrom = 1;
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return p;
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}
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@@ -101,6 +116,9 @@ ofdisk_hash_add (char *devpath, char *curcan)
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else
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grub_free (curcan);
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+ if (check_string_cdrom (devpath) || check_string_cdrom (curcan))
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+ pcan->is_cdrom = 1;
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+
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if (!pcan)
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grub_errno = GRUB_ERR_NONE;
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else
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@@ -267,8 +285,7 @@ grub_ofdisk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
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}
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}
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- if (grub_strncmp (ent->shortest, "cdrom", 5) == 0
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- || ent->is_boot)
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+ if (!ent->is_boot && ent->is_cdrom)
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continue;
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{
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--
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1.8.2.1
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