2013-06-07 18:03:56 +00:00
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From fad6a3928fd73156c9a861e6b8b81b4099e450a3 Mon Sep 17 00:00:00 2001
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2013-05-02 20:54:52 +00:00
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Thu, 4 Apr 2013 08:55:06 +0200
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2013-06-07 18:03:56 +00:00
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Subject: [PATCH 251/471] * util/grub-setup.c (setup): Handle some
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2013-05-02 20:54:52 +00:00
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corner cases.
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---
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ChangeLog | 4 ++++
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util/grub-setup.c | 8 ++++++--
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2 files changed, 10 insertions(+), 2 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index 467a621..8a3fd45 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,5 +1,9 @@
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2013-04-04 Vladimir Serbinenko <phcoder@gmail.com>
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+ * util/grub-setup.c (setup): Handle some corner cases.
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+
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+2013-04-04 Vladimir Serbinenko <phcoder@gmail.com>
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+
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* grub-core/lib/posix_wrap/locale.h [GRUB_UTIL]: Include host locale.h.
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2013-04-03 Vladimir Serbinenko <phcoder@gmail.com>
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diff --git a/util/grub-setup.c b/util/grub-setup.c
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index 5a7a857..27a815f 100644
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--- a/util/grub-setup.c
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+++ b/util/grub-setup.c
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@@ -256,7 +256,7 @@ setup (const char *dir,
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grub_device_t root_dev = 0, dest_dev, core_dev;
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struct blocklists bl;
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char *tmp_img;
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- grub_disk_addr_t first_sector;
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+ grub_disk_addr_t first_sector = (grub_disk_addr_t)-1;
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FILE *fp;
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#ifdef GRUB_SETUP_BIOS
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@@ -756,6 +756,8 @@ unable_to_embed:
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grub_util_error ("%s", _("blocksize is not divisible by 512"));
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mul = bsize >> GRUB_DISK_SECTOR_BITS;
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nblocks = (core_size + bsize - 1) / bsize;
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+ if (mul == 0 || nblocks == 0)
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+ grub_util_error ("%s", _("can't retrieve blocklists"));
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for (i = 0; i < nblocks; i++)
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{
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unsigned blk = i;
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@@ -808,7 +810,7 @@ unable_to_embed:
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- j * GRUB_DISK_SECTOR_SIZE);
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if (len > GRUB_DISK_SECTOR_SIZE)
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len = GRUB_DISK_SECTOR_SIZE;
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- if (i == 0 && j == 0)
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+ if (first_sector == (grub_disk_addr_t)-1)
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save_first_sector ((fie2->fm_extents[i].fe_physical
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>> GRUB_DISK_SECTOR_BITS)
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+ j + container_start,
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@@ -825,6 +827,8 @@ unable_to_embed:
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}
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}
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+ if (first_sector == (grub_disk_addr_t)-1)
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+ grub_util_error ("%s", _("can't retrieve blocklists"));
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}
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fclose (fp);
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}
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--
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2013-06-07 18:03:56 +00:00
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1.8.2.1
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2013-05-02 20:54:52 +00:00
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