efi_loader: correctly setup device paths for block devices
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>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/lib/efi_loader/efi_device_path.c b/lib/efi_loader/efi_device_path.c
index 50330dd..5de2c03 100644
--- a/lib/efi_loader/efi_device_path.c
+++ b/lib/efi_loader/efi_device_path.c
@@ -435,7 +435,7 @@
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);
@@ -449,7 +449,7 @@
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)