51 lines
1.5 KiB
Diff
51 lines
1.5 KiB
Diff
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From: Matthew Garrett <mjg@redhat.com>
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Date: 2012-07-10 11:58:52 EDT
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Subject: [PATCH] Add support for crappy cd craparino
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References: fate#314485
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Patch-Mainline: no
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Signed-off-by: Michael Chang <mchang@suse.com>
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Follow other code in this function and duplicate device path
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before overwriting it.
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Signed-off-by: Andrey Borzenkov <arvidjaar@gmail.com>
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Index: grub-2.00/grub-core/disk/efi/efidisk.c
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===================================================================
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--- grub-2.00.orig/grub-core/disk/efi/efidisk.c
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+++ grub-2.00/grub-core/disk/efi/efidisk.c
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@@ -820,6 +820,31 @@ grub_efidisk_get_device_name (grub_efi_h
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return dev_name;
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}
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+ else if (GRUB_EFI_DEVICE_PATH_TYPE (ldp) == GRUB_EFI_MEDIA_DEVICE_PATH_TYPE &&
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+ (GRUB_EFI_DEVICE_PATH_SUBTYPE (ldp) == GRUB_EFI_CDROM_DEVICE_PATH_SUBTYPE))
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+ {
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+ grub_efi_device_path_t *dup_dp, *dup_ldp;
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+
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+ /* It is necessary to duplicate the device path so that GRUB
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+ can overwrite it. */
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+ dup_dp = duplicate_device_path (dp);
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+ if (! dup_dp)
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+ return 0;
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+
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+ dup_ldp = find_last_device_path (dup_dp);
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+ dup_ldp->type = GRUB_EFI_END_DEVICE_PATH_TYPE;
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+ dup_ldp->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
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+ dup_ldp->length[0] = 4;
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+ dup_ldp->length[1] = 0;
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+
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+ if (!get_diskname_from_path (dup_dp, device_name))
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+ {
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+ grub_free (dup_dp);
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+ return 0;
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+ }
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+ grub_free (dup_dp);
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+ return grub_strdup (device_name);
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+ }
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else
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{
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/* This should be an entire disk. */
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