From 22b4ac44e4fdbe8f36f2b570cdbdaf237062e33e Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Thu, 11 Jun 2009 11:08:07 +1000
Subject: [PATCH] Xi: XIGetSelectedEvents mustn't returned masks from
 non-existing devices.

Or devices the client doesn't have XACE permissions for.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
 Xi/xiselectev.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Xi/xiselectev.c b/Xi/xiselectev.c
index 74e444be6..cafb97641 100644
--- a/Xi/xiselectev.c
+++ b/Xi/xiselectev.c
@@ -170,6 +170,7 @@ ProcXIGetSelectedEvents(ClientPtr client)
     OtherInputMasks *masks;
     InputClientsPtr others = NULL;
     xXIEventMask *evmask = NULL;
+    DeviceIntPtr dev;
 
     REQUEST(xXIGetSelectedEventsReq);
     REQUEST_SIZE_MATCH(xXIGetSelectedEventsReq);
@@ -211,6 +212,14 @@ ProcXIGetSelectedEvents(ClientPtr client)
         int j;
         unsigned char *devmask = others->xi2mask[i];
 
+        if (i > 2)
+        {
+            rc = dixLookupDevice(&dev, i, client, DixReadAccess);
+            if (rc != Success)
+                continue;
+        }
+
+
         for (j = XI2MASKSIZE - 1; j >= 0; j--)
         {
             if (devmask[j] != 0)