[ros-diffs] [hbirr] 17581: Allocated the message reply buffer according to the size of the message.

Allocated the message reply buffer according to the size of the message.
Modified: trunk/reactos/ntoskrnl/include/internal/port.h
Modified: trunk/reactos/ntoskrnl/lpc/reply.c
  _____

Modified: trunk/reactos/ntoskrnl/include/internal/port.h
--- trunk/reactos/ntoskrnl/include/internal/port.h	2005-08-28
09:50:00 UTC (rev 17580)
+++ trunk/reactos/ntoskrnl/include/internal/port.h	2005-08-28
11:58:06 UTC (rev 17581)
@@ -88,7 +88,6 @@

PEPORT		Sender;
   LIST_ENTRY	QueueListEntry;
   PORT_MESSAGE	Message;
-  UCHAR         MessageData[0x130]; /* FIXME: HACK */
 } QUEUEDMESSAGE,  *PQUEUEDMESSAGE;

typedef struct _LPC_DBG_MESSAGE
  _____

Modified: trunk/reactos/ntoskrnl/lpc/reply.c
--- trunk/reactos/ntoskrnl/lpc/reply.c	2005-08-28 09:50:00 UTC (rev
17580)
+++ trunk/reactos/ntoskrnl/lpc/reply.c	2005-08-28 11:58:06 UTC (rev
17581)
@@ -37,20 +37,31 @@

{
    KIRQL oldIrql;
    PQUEUEDMESSAGE MessageReply;
+   ULONG Size;

if (Port == NULL)
      {
        KEBUGCHECK(0);
      }

-   MessageReply = ExAllocatePoolWithTag(NonPagedPool,
sizeof(QUEUEDMESSAGE),
+   Size = sizeof(QUEUEDMESSAGE);
+   if (LpcReply && LpcReply->u1.s1.TotalLength > sizeof(PORT_MESSAGE))
+     {
+       Size += LpcReply->u1.s1.TotalLength - sizeof(PORT_MESSAGE);
+     }
+   MessageReply = ExAllocatePoolWithTag(NonPagedPool, Size, 
    				TAG_LPC_MESSAGE);
    MessageReply->Sender = Sender;

if (LpcReply != NULL)
      {
-	memcpy(&MessageReply->Message, LpcReply,
LpcReply->u1.s1.TotalLength);
+       memcpy(&MessageReply->Message, LpcReply,
LpcReply->u1.s1.TotalLength);
      }
+   else
+     {
+       MessageReply->Message.u1.s1.TotalLength = sizeof(PORT_MESSAGE);
+       MessageReply->Message.u1.s1.DataLength = 0;
+     }

MessageReply->Message.ClientId.UniqueProcess =
PsGetCurrentProcessId();
    MessageReply->Message.ClientId.UniqueThread =
PsGetCurrentThreadId();