X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=IntelFrameworkModulePkg%2FBus%2FPci%2FIdeBusDxe%2FAta.c;fp=IntelFrameworkModulePkg%2FBus%2FPci%2FIdeBusDxe%2FAta.c;h=1743b4c52dfd853a386e6e14f8b419dd8a8dd929;hp=7d92065b1cb3c7b19385de7e1c5c8236bb92574a;hb=d96d37d8b95d08264557ea91ca6a6e2b5f07767b;hpb=c61f936286cd8b929835dce81424a19fbcebba95

diff --git a/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ata.c b/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ata.c
index 7d92065b1c..1743b4c52d 100644
--- a/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ata.c
+++ b/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ata.c
@@ -2563,8 +2563,8 @@ AtaEnableLongPhysicalSector (
       //
       if ((AtaIdentifyData->alignment_logic_in_phy_blocks & 0xc000) == 0x4000) {
         IdeDev->BlkIo.Media->LowestAlignedLba =
-          (EFI_LBA) (IdeDev->BlkIo.Media->LogicalBlocksPerPhysicalBlock - (AtaIdentifyData->alignment_logic_in_phy_blocks & 0x3fff)) %
-          IdeDev->BlkIo.Media->LogicalBlocksPerPhysicalBlock;
+          (EFI_LBA) ((IdeDev->BlkIo.Media->LogicalBlocksPerPhysicalBlock - ((UINT32)AtaIdentifyData->alignment_logic_in_phy_blocks & 0x3fff)) %
+          IdeDev->BlkIo.Media->LogicalBlocksPerPhysicalBlock);
       }
     }
     //