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efi_loader: correctly setup device paths for block devices

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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>
This commit is contained in:
Heinrich Schuchardt 2017-12-11 12:56:40 +01:00 committed by Alexander Graf
parent 66b051d51f
commit 7b982f009b
1 changed files with 2 additions and 2 deletions

4
lib/efi_loader/efi_device_path.c
View File

@ -435,7 +435,7 @@ 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);
@ -449,7 +449,7 @@ 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)