xcb: Do not leak when compressing events

The event must be freed in all cases, also when a motion or configure
notify is skipped.

Change-Id: Ie55e62d0c3ab25bd9b20cc85098ea337d0b1ac5d
Reviewed-by: Uli Schlachter <psychon@znc.in>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp
index 0cff92dacc..030090d98d 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection.cpp
@@ -1154,6 +1154,7 @@ void QXcbConnection::processXcbEvents()
         xcb_generic_event_t *event = eventqueue->at(i);
         if (!event)
             continue;
+        QScopedPointer<xcb_generic_event_t, QScopedPointerPodDeleter> eventGuard(event);
         (*eventqueue)[i] = 0;
 
         uint response_type = event->response_type & ~0x80;
@@ -1204,8 +1205,6 @@ void QXcbConnection::processXcbEvents()
             handleXcbEvent(event);
             m_reader->lock();
         }
-
-        free(event);
     }
 
     eventqueue->clear();