X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;ds=sidebyside;f=EdkNt32Pkg%2FRuntimeDxe%2FFvbServices%2FFWBlockService.c;h=8824dc412afd89cd368cf70559c8d91e2fdf851a;hb=924c490ad36be65f45be6fac7e5418a17eedca9e;hp=1f2f8fd2b46d64d4c44c56f9e147407fe8b3d4d6;hpb=0f008d9ad4365c885b21c95c3b52d6266b3169e4;p=mirror_edk2.git

diff --git a/EdkNt32Pkg/RuntimeDxe/FvbServices/FWBlockService.c b/EdkNt32Pkg/RuntimeDxe/FvbServices/FWBlockService.c
index 1f2f8fd2b4..8824dc412a 100644
--- a/EdkNt32Pkg/RuntimeDxe/FvbServices/FWBlockService.c
+++ b/EdkNt32Pkg/RuntimeDxe/FvbServices/FWBlockService.c
@@ -1196,8 +1196,9 @@ Returns:
   Ptr           = (UINT16 *) FwVolHeader;
   Checksum      = 0;
   while (HeaderLength > 0) {
-    Checksum = *Ptr++;
+    Checksum = Checksum + (*Ptr);
     HeaderLength--;
+    Ptr++;
   }
 
   if (Checksum != 0) {