Index: drivers/filesystems/ffs/src/create.c
===================================================================
--- drivers/filesystems/ffs/src/create.c	(revision 71918)
+++ drivers/filesystems/ffs/src/create.c	(working copy)
@@ -883,7 +883,7 @@
 				_SEH2_LEAVE;
 			}
 
-			RtlZeroMemory(dinode1, sizeof(DINODE1_SIZE));
+			RtlZeroMemory(dinode1, DINODE1_SIZE);
 		}
 		else
 		{
@@ -893,7 +893,7 @@
 				_SEH2_LEAVE;
 			}
 
-			RtlZeroMemory(dinode2, sizeof(DINODE2_SIZE));
+			RtlZeroMemory(dinode2, DINODE2_SIZE);
 		}