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Avoid consuming lots of space and time if the first partition is not near the start of the disk (Debian bug #619458, Ubuntu bug #691569).

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This commit is contained in:
Colin Watson 2011-03-25 17:22:12 +00:00
parent 7bdeb3987a
commit 58ed62d221
5 changed files with 27 additions and 7 deletions
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3
grub-core/partmap/gpt.c
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@ -125,6 +125,7 @@ gpt_partition_map_iterate (grub_disk_t disk,
#ifdef GRUB_UTIL
static grub_err_t
gpt_partition_map_embed (struct grub_disk *disk, unsigned int *nsectors,
unsigned int max_nsectors,
grub_embed_type_t embed_type,
grub_disk_addr_t **sectors)
{
@ -174,6 +175,8 @@ gpt_partition_map_embed (struct grub_disk *disk, unsigned int *nsectors,
" embedding won't be possible!");
*nsectors = len;
if (*nsectors > max_nsectors)
*nsectors = max_nsectors;
*sectors = grub_malloc (*nsectors * sizeof (**sectors));
if (!*sectors)
return grub_errno;