- Clear capacity data buffer before reading it to avoid 0xCCCCCCCC values and manuall...

[reactos.git] / reactos / drivers / storage / cdrom / cdrom.c

diff --git a/reactos/drivers/storage/cdrom/cdrom.c b/reactos/drivers/storage/cdrom/cdrom.c
index 8b68040..9cbd459 100644 (file)
--- a/reactos/drivers/storage/cdrom/cdrom.c
+++ b/reactos/drivers/storage/cdrom/cdrom.c
@@ -1409,6 +1409,7 @@ CdromClassStartIo (IN PDEVICE_OBJECT DeviceObject,
            MmBuildMdlForNonPagedPool (SubIrp->MdlAddress);
            Srb->DataBuffer = DataBuffer;
 
+        RtlZeroMemory(DataBuffer, sizeof(READ_CAPACITY_DATA));
            IoCallDriver (DeviceExtension->PortDeviceObject,
                          SubIrp);
            return;