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authorHeinrich Schuchardt <xypron.glpk@gmx.de>2017-12-11 12:56:40 +0100
committerAlexander Graf <agraf@suse.de>2017-12-16 23:07:55 +0100
commit7b982f009b2233821bc96d11bec20b433c40e6fa (patch)
tree1fc603f9654a27f087f96a747d1b684a14d6a5f9 /lib
parent66b051d51f3f35ab48a8e978a2a28a55b4d13208 (diff)
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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>
Diffstat (limited to 'lib')
-rw-r--r--lib/efi_loader/efi_device_path.c4
1 files changed, 2 insertions, 2 deletions
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 @@ 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)