According to the UEFI spec the numbering of partitions has to start with 1.
Partion number 0 is reserved for the optional device path for the complete block device.
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- v3 no change v2 Do not generate optional device path with partion number 0. --- lib/efi_loader/efi_device_path.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/efi_loader/efi_device_path.c b/lib/efi_loader/efi_device_path.c index 42fe6e1185..6461ea9abc 100644 --- a/lib/efi_loader/efi_device_path.c +++ b/lib/efi_loader/efi_device_path.c @@ -420,7 +420,7 @@ static void *dp_part_fill(void *buf, struct blk_desc *desc, int part) if (desc->part_type == PART_TYPE_ISO) { struct efi_device_path_cdrom_path *cddp = buf;
- cddp->boot_entry = part - 1; + cddp->boot_entry = part; cddp->dp.type = DEVICE_PATH_TYPE_MEDIA_DEVICE; cddp->dp.sub_type = DEVICE_PATH_SUB_TYPE_CDROM_PATH; cddp->dp.length = sizeof(*cddp); @@ -434,7 +434,7 @@ static void *dp_part_fill(void *buf, struct blk_desc *desc, int part) hddp->dp.type = DEVICE_PATH_TYPE_MEDIA_DEVICE; hddp->dp.sub_type = DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH; hddp->dp.length = sizeof(*hddp); - hddp->partition_number = part - 1; + hddp->partition_number = part; hddp->partition_start = info.start; hddp->partition_end = info.size; if (desc->part_type == PART_TYPE_EFI)