diff options
Diffstat (limited to 'sys-boot/grub/files/grub-1.97-hostdisk.patch')
| -rw-r--r-- | sys-boot/grub/files/grub-1.97-hostdisk.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/sys-boot/grub/files/grub-1.97-hostdisk.patch b/sys-boot/grub/files/grub-1.97-hostdisk.patch new file mode 100644 index 0000000..6eb7fe4 --- /dev/null +++ b/sys-boot/grub/files/grub-1.97-hostdisk.patch @@ -0,0 +1,60 @@ +--- util/hostdisk.c 2010-01-25 17:04:22 +0000 ++++ util/hostdisk.c 2010-01-31 11:52:27 +0000 +@@ -336,7 +336,8 @@ + char dev[PATH_MAX]; + + strcpy (dev, map[disk->id].device); +- if (disk->partition && strncmp (map[disk->id].device, "/dev/", 5) == 0) ++ if (disk->partition && sector >= disk->partition->start ++ && strncmp (map[disk->id].device, "/dev/", 5) == 0) + is_partition = linux_find_partition (dev, disk->partition->start); + + /* Open the partition. */ +@@ -490,6 +491,23 @@ + { + int fd; + ++ /* Split pre-partition and partition reads. */ ++ if (disk->partition && sector < disk->partition->start ++ && sector + size > disk->partition->start) ++ { ++ grub_err_t err; ++ err = grub_util_biosdisk_read (disk, sector, ++ disk->partition->start - sector, ++ buf); ++ if (err) ++ return err; ++ ++ return grub_util_biosdisk_read (disk, disk->partition->start, ++ size - (disk->partition->start - sector), ++ buf + ((disk->partition->start - sector) ++ << GRUB_DISK_SECTOR_BITS)); ++ } ++ + fd = open_device (disk, sector, O_RDONLY); + if (fd < 0) + return grub_errno; +@@ -527,6 +545,23 @@ + { + int fd; + ++ /* Split pre-partition and partition writes. */ ++ if (disk->partition && sector < disk->partition->start ++ && sector + size > disk->partition->start) ++ { ++ grub_err_t err; ++ err = grub_util_biosdisk_write (disk, sector, ++ disk->partition->start - sector, ++ buf); ++ if (err) ++ return err; ++ ++ return grub_util_biosdisk_write (disk, disk->partition->start, ++ size - (disk->partition->start - sector), ++ buf + ((disk->partition->start - sector) ++ << GRUB_DISK_SECTOR_BITS)); ++ } ++ + fd = open_device (disk, sector, O_WRONLY); + if (fd < 0) + return grub_errno; |