diff options
| -rw-r--r-- | lib/efi_loader/efi_device_path.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/lib/efi_loader/efi_device_path.c b/lib/efi_loader/efi_device_path.c index 024877161b..9027ae8efb 100644 --- a/lib/efi_loader/efi_device_path.c +++ b/lib/efi_loader/efi_device_path.c @@ -428,10 +428,27 @@ static void *dp_part_fill(void *buf, struct blk_desc *desc, int part) hddp->partmap_type = 2; else hddp->partmap_type = 1; - hddp->signature_type = desc->sig_type; - if (hddp->signature_type != 0) + + switch (desc->sig_type) { + case SIG_TYPE_NONE: + default: + hddp->signature_type = 0; + memset(hddp->partition_signature, 0, + sizeof(hddp->partition_signature)); + break; + case SIG_TYPE_MBR: + hddp->signature_type = 1; + memset(hddp->partition_signature, 0, + sizeof(hddp->partition_signature)); + memcpy(hddp->partition_signature, &desc->mbr_sig, + sizeof(desc->mbr_sig)); + break; + case SIG_TYPE_GUID: + hddp->signature_type = 2; memcpy(hddp->partition_signature, &desc->guid_sig, sizeof(hddp->partition_signature)); + break; + } buf = &hddp[1]; } |