Changeset 30481 in vbox

Timestamp:

Jun 28, 2010 6:16:52 PM (15 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

63164

Message:

VBoxHDD: Zero the buffer after a read provided valid data

File:

• trunk/src/VBox/Devices/Storage/VBoxHDD.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Storage/VBoxHDD.cpp

@@ -572 +572 @@
         if (rc == VERR_VD_BLOCK_FREE)
         {
-            /* Fill the free space with 0 if we are told to do so. */
-            if (fHandleFreeBlocks)
+            /* Fill the free space with 0 if we are told to do so
+             * or a previous read returned valid data. */
+            if (fHandleFreeBlocks || !fAllFree)
                 memset(pvBuf, '\0', cbThisRead);
             else