From c2f31954b8fd152b7c94bd1eaf12aa0e510dc9bc Mon Sep 17 00:00:00 2001
From: Eric Kohl <eric.kohl@reactos.org>
Date: Sun, 30 Apr 2006 07:47:07 +0000
Subject: [PATCH] An attempt to read from a not-yet-connected pipe must fail.
 This fixes a Wine testcase.

svn path=/trunk/; revision=21757
---
 reactos/drivers/filesystems/np/rw.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/reactos/drivers/filesystems/np/rw.c b/reactos/drivers/filesystems/np/rw.c
index 8ff4d75cee2..5c288e4d1a6 100644
--- a/reactos/drivers/filesystems/np/rw.c
+++ b/reactos/drivers/filesystems/np/rw.c
@@ -318,6 +318,14 @@ NpfsRead(IN PDEVICE_OBJECT DeviceObject,
   Fcb = FileObject->FsContext;
   Context = (PNPFS_CONTEXT)&Irp->Tail.Overlay.DriverContext;
 
+  if (Fcb->OtherSide == NULL && Fcb->PipeState == FILE_PIPE_LISTENING_STATE)
+  {
+     DPRINT("Pipe is NOT yet connected!\n");
+     Status = STATUS_PIPE_LISTENING;
+     Irp->IoStatus.Information = 0;
+     goto done;
+  }
+
   if (Fcb->Data == NULL)
   {
      DPRINT1("Pipe is NOT readable!\n");
@@ -529,7 +537,7 @@ NpfsRead(IN PDEVICE_OBJECT DeviceObject,
      }
      Irp->IoStatus.Information = Information;
      Irp->IoStatus.Status = Status;
-     
+
      ASSERT(IoGetCurrentIrpStackLocation(Irp)->FileObject != NULL);
 
      if (IoIsOperationSynchronous(Irp))