From e2fbaebb87e18198143a4b8e6be7e650563cd819 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Tue, 9 Jun 2009 14:38:25 +1000
Subject: Xi: XISelectEvents returns BadValue for num_masks == 0.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
 Xi/xiselectev.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Xi')

diff --git a/Xi/xiselectev.c b/Xi/xiselectev.c
index 8c1b2b106..6734da991 100644
--- a/Xi/xiselectev.c
+++ b/Xi/xiselectev.c
@@ -73,6 +73,9 @@ ProcXISelectEvent(ClientPtr client)
     REQUEST(xXISelectEventsReq);
     REQUEST_AT_LEAST_SIZE(xXISelectEventsReq);
 
+    if (stuff->num_masks == 0)
+        return BadValue;
+
     rc = dixLookupWindow(&win, stuff->window, client, DixReceiveAccess);
     if (rc != Success)
         return rc;
-- 
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