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.g...@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)
--
2.15.1
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