diff options
| -rw-r--r-- | MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c b/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c index f10ce7c65b..473e091320 100644 --- a/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c +++ b/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c @@ -1149,8 +1149,8 @@ PartitionInstallChildHandle ( Private->Signature = PARTITION_PRIVATE_DATA_SIGNATURE;
- Private->Start = MultU64x32 (Start, BlockSize);
- Private->End = MultU64x32 (End + 1, BlockSize);
+ Private->Start = MultU64x32 (Start, ParentBlockIo->Media->BlockSize);
+ Private->End = MultU64x32 (End + 1, ParentBlockIo->Media->BlockSize);
Private->BlockSize = BlockSize;
Private->ParentBlockIo = ParentBlockIo;
@@ -1187,7 +1187,13 @@ PartitionInstallChildHandle ( Private->Media.IoAlign = 0;
Private->Media.LogicalPartition = TRUE;
- Private->Media.LastBlock = End - Start;
+ Private->Media.LastBlock = DivU64x32 (
+ MultU64x32 (
+ End - Start + 1,
+ ParentBlockIo->Media->BlockSize
+ ),
+ BlockSize
+ ) - 1;
Private->Media.BlockSize = (UINT32) BlockSize;
|