From d3f5845bad964f9a05a560ecca8a19c1c3bbc43b Mon Sep 17 00:00:00 2001
From: John Davis <goldfishnet64@outlook.com>
Date: Sat, 19 Aug 2023 16:44:51 -0500
Subject: [PATCH] OcFileLib: Fix Windows builds

---
 Library/OcFileLib/DiskMisc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/OcFileLib/DiskMisc.c b/Library/OcFileLib/DiskMisc.c
index 9008d8124b7..123abb76180 100644
--- a/Library/OcFileLib/DiskMisc.c
+++ b/Library/OcFileLib/DiskMisc.c
@@ -432,7 +432,7 @@ OcDiskReadElTorito (
   //
   // TODO: Unclear whether the sector size here is the native CD size 2048 or 512.
   //
-  BootBufferSize = CdNode->PartitionSize * DiskContext.BlockSize;
+  BootBufferSize = (UINTN)(CdNode->PartitionSize * DiskContext.BlockSize);
   BootBuffer     = AllocatePool (BootBufferSize);
   if (BootBuffer == NULL) {
     return EFI_OUT_OF_RESOURCES;