server: Improve FSCTL_PIPE_TRANSCEIVE error handling.

dlls/ntdll/tests/pipe.c

@@ -1301,7 +1301,7 @@ static void test_pipe_state(HANDLE pipe, BOOL is_server, DWORD state)
                                  buf, 1, buf+1, 1);
         if (!status || status == STATUS_PENDING)
             status = io.Status;
-        todo_wine
+        todo_wine_if(expected_status == STATUS_PIPE_DISCONNECTED)
         ok(status == expected_status,
             "NtFsControlFile(FSCTL_PIPE_TRANSCEIVE) failed in %s state %u: %x\n",
             is_server ? "server" : "client", state, status);

server/named_pipe.c

@@ -937,16 +937,16 @@ static int pipe_end_transceive( struct pipe_end *pipe_end, struct async *async )
     struct pipe_message *message;
     struct iosb *iosb;
 
-    if ((pipe_end->flags & (NAMED_PIPE_MESSAGE_STREAM_WRITE | NAMED_PIPE_MESSAGE_STREAM_READ))
-        != (NAMED_PIPE_MESSAGE_STREAM_WRITE | NAMED_PIPE_MESSAGE_STREAM_READ))
+    if (!pipe_end->connection)
     {
-        set_error( STATUS_INVALID_READ_MODE );
+        set_error( STATUS_INVALID_PIPE_STATE );
         return 0;
     }
 
-    if (!pipe_end->connection)
+    if ((pipe_end->flags & (NAMED_PIPE_MESSAGE_STREAM_WRITE | NAMED_PIPE_MESSAGE_STREAM_READ))
+        != (NAMED_PIPE_MESSAGE_STREAM_WRITE | NAMED_PIPE_MESSAGE_STREAM_READ))
     {
-        set_error( STATUS_PIPE_BROKEN );
+        set_error( STATUS_INVALID_READ_MODE );
         return 0;
     }