grub2/0313-grub-core-disk-ieee1275-ofdisk.c-Fix-CD-ROM-and-boot.patch
2013-06-07 14:03:56 -04:00

87 lines
2.3 KiB
Diff

From 0e882e0c48a93f7e187fd403ffb32d3ad861ee77 Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Mon, 15 Apr 2013 00:38:39 +0200
Subject: [PATCH 313/471] * grub-core/disk/ieee1275/ofdisk.c: Fix CD-ROM
and boot device detection.
---
ChangeLog | 5 +++++
grub-core/disk/ieee1275/ofdisk.c | 21 +++++++++++++++++++--
2 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index a4d9555..b372668 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-04-15 Vladimir Serbinenko <phcoder@gmail.com>
+
+ * grub-core/disk/ieee1275/ofdisk.c: Fix CD-ROM and boot device
+ detection.
+
2013-04-14 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/lib/posix_wrap/sys/types.h: Make WORDS_BIGENDIAN definition
diff --git a/grub-core/disk/ieee1275/ofdisk.c b/grub-core/disk/ieee1275/ofdisk.c
index bebf777..ec92c4d 100644
--- a/grub-core/disk/ieee1275/ofdisk.c
+++ b/grub-core/disk/ieee1275/ofdisk.c
@@ -32,6 +32,7 @@ struct ofdisk_hash_ent
{
char *devpath;
int is_boot;
+ int is_cdrom;
/* Pointer to shortest available name on nodes representing canonical names,
otherwise NULL. */
const char *shortest;
@@ -80,6 +81,18 @@ ofdisk_hash_add_real (char *devpath)
return p;
}
+static int
+check_string_cdrom (const char *str)
+{
+ const char *ptr = grub_strrchr (str, '/');
+
+ if (ptr)
+ ptr++;
+ else
+ ptr = str;
+ return (grub_strncmp (ptr, "cdrom", 5) == 0);
+}
+
static struct ofdisk_hash_ent *
ofdisk_hash_add (char *devpath, char *curcan)
{
@@ -92,6 +105,8 @@ ofdisk_hash_add (char *devpath, char *curcan)
if (!curcan)
{
p->shortest = devpath;
+ if (check_string_cdrom (devpath))
+ p->is_cdrom = 1;
return p;
}
@@ -101,6 +116,9 @@ ofdisk_hash_add (char *devpath, char *curcan)
else
grub_free (curcan);
+ if (check_string_cdrom (devpath) || check_string_cdrom (curcan))
+ pcan->is_cdrom = 1;
+
if (!pcan)
grub_errno = GRUB_ERR_NONE;
else
@@ -267,8 +285,7 @@ grub_ofdisk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
}
}
- if (grub_strncmp (ent->shortest, "cdrom", 5) == 0
- || ent->is_boot)
+ if (!ent->is_boot && ent->is_cdrom)
continue;
{
--
1.8.2.1