ZeroMemory the correct amount of bytes

svn path=/trunk/; revision=27396

diff --git a/reactos/drivers/input/mouclass/mouclass.c b/reactos/drivers/input/mouclass/mouclass.c
index a6b6ed4..a49074b 100644 (file)
--- a/reactos/drivers/input/mouclass/mouclass.c
+++ b/reactos/drivers/input/mouclass/mouclass.c
@@ -671,7 +671,7 @@ ClassAddDevice(
        }
 
        DeviceExtension = (PPORT_DEVICE_EXTENSION)Fdo->DeviceExtension;
-       RtlZeroMemory(DeviceExtension, sizeof(CLASS_DEVICE_EXTENSION));
+       RtlZeroMemory(DeviceExtension, sizeof(PORT_DEVICE_EXTENSION));
        DeviceExtension->Common.IsClassDO = FALSE;
        DeviceExtension->DeviceObject = Fdo;
        DeviceExtension->PnpState = dsStopped;