Fix build crash while using MSFT to build OVMF, also fix some build warning report...

[mirror_edk2.git] / OvmfPkg / SmbiosPlatformDxe / SmbiosPlatformDxe.c

diff --git a/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.c b/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.c
index dc84c3ac2038191eb78cc6e19b445acdf9782bcd..1cb28f01c715c92a57c0a6fb06c8d21e6718c326 100644 (file)
--- a/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.c
+++ b/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.c
@@ -41,7 +41,7 @@ IsEntryPointStructureValid (
   Checksum = 0;\r
 \r
   for (Index = 0; Index < Length; Index++) {\r
-    Checksum += BytePtr[Index];\r
+    Checksum = Checksum + (UINT8) BytePtr[Index];\r
   }\r
 \r
   if (Checksum != 0) {\r