[FILESYSTEMS] Fix pool memory disclosure in filesystem drivers supporting FS_INFORMAT...

[reactos.git] / drivers / filesystems / npfs / volinfo.c

diff --git a/drivers/filesystems/npfs/volinfo.c b/drivers/filesystems/npfs/volinfo.c
index 4e3cf9f..36fe75f 100644 (file)
--- a/drivers/filesystems/npfs/volinfo.c
+++ b/drivers/filesystems/npfs/volinfo.c
@@ -27,8 +27,6 @@ NpQueryFsVolumeInfo(IN PVOID Buffer,
 
     *Length -= FIELD_OFFSET(FILE_FS_VOLUME_INFORMATION, VolumeLabel);
 
-    InfoBuffer->VolumeCreationTime.QuadPart = 0;
-    InfoBuffer->VolumeSerialNumber = 0;
     InfoBuffer->SupportsObjects = 0;
 
     NameLength = 18;
@@ -61,8 +59,6 @@ NpQueryFsSizeInfo(IN PVOID Buffer,
 
     *Length -= sizeof(*InfoBuffer);
 
-    InfoBuffer->TotalAllocationUnits.QuadPart = 0;
-    InfoBuffer->AvailableAllocationUnits.QuadPart = 0;
     InfoBuffer->SectorsPerAllocationUnit = 1;
     InfoBuffer->BytesPerSector = 1;
 
@@ -78,8 +74,6 @@ NpQueryFsDeviceInfo(IN PVOID Buffer,
     PFILE_FS_DEVICE_INFORMATION InfoBuffer = Buffer;
     TRACE("Entered\n");
 
-    InfoBuffer->DeviceType = 0;
-    InfoBuffer->Characteristics = 0;
     InfoBuffer->DeviceType = FILE_DEVICE_NAMED_PIPE;
     *Length -= sizeof(*InfoBuffer);
 
@@ -153,6 +147,8 @@ NpCommonQueryVolumeInformation(IN PDEVICE_OBJECT DeviceObject,
     Length = IoStack->Parameters.QueryVolume.Length;
     InfoClass = IoStack->Parameters.QueryVolume.FsInformationClass;
 
+    RtlZeroMemory(Buffer, Length);
+
     switch (InfoClass)
     {
         case FileFsVolumeInformation: