From: Paul Durrant <paul.durrant@citrix.com>
Date: Mon, 26 Jan 2015 15:45:04 +0000 (+0000)
Subject: Fix FIFO ABI Ack and Mask methods
X-Git-Tag: 8.1.0-rc1~78
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=4bb6dc223c438d7b7a1ff90a0bcd9c58efdb0a7e;p=pvdrivers%2Fwin%2Fxenbus.git

Fix FIFO ABI Ack and Mask methods

Both methods were using the wrong event word by using the port number as an
offset twice.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
---

diff --git a/src/xenbus/evtchn_fifo.c b/src/xenbus/evtchn_fifo.c
index cef639d..f44f3fc 100644
--- a/src/xenbus/evtchn_fifo.c
+++ b/src/xenbus/evtchn_fifo.c
@@ -398,7 +398,7 @@ EvtchnFifoPortAck(
     event_word_t                    *EventWord;
 
     EventWord = EvtchnFifoEventWord(Context, Port);
-    __EvtchnFifoClearFlag(&EventWord[Port], EVTCHN_FIFO_PENDING);
+    __EvtchnFifoClearFlag(EventWord, EVTCHN_FIFO_PENDING);
 }
 
 static VOID
@@ -411,7 +411,7 @@ EvtchnFifoPortMask(
     event_word_t                    *EventWord;
 
     EventWord = EvtchnFifoEventWord(Context, Port);
-    __EvtchnFifoSetFlag(&EventWord[Port], EVTCHN_FIFO_MASKED);
+    __EvtchnFifoSetFlag(EventWord, EVTCHN_FIFO_MASKED);
 }
 
 static BOOLEAN