From: Kristian Høgsberg <krh@bitplanet.net>
Date: Wed, 4 Jan 2012 03:53:33 +0000 (-0500)
Subject: x11: Handle non-existing properties correctly
X-Git-Tag: upstream/0.1.8~3076
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=300deba3be97e83c52c82e6294501b05b0dbfbb1;p=profile%2Fivi%2Fweston-ivi-shell.git

x11: Handle non-existing properties correctly

Don't try to read out ATOM or WINDOW values if there is no such property.
---

diff --git a/src/xserver-launcher.c b/src/xserver-launcher.c
index 486e764..a032c79 100644
--- a/src/xserver-launcher.c
+++ b/src/xserver-launcher.c
@@ -624,6 +624,11 @@ weston_wm_handle_map_notify(struct weston_wm *wm, xcb_generic_event_t *event)
 		if (!reply)
 			/* Bad window, typically */
 			continue;
+		if (reply->type == XCB_ATOM_NONE) {
+			/* No such property */
+			free(reply);
+			continue;
+		}
 
 		p = ((char *) window + props[i].offset);