From: David Hill <dhill@conformal.com>
Date: Fri, 20 Jul 2012 16:29:52 +0000 (-0400)
Subject: make sure we test the reply to be not NULL too.
X-Git-Url: https://jasonwoof.com/gitweb/?a=commitdiff_plain;ds=sidebyside;h=3b291e14599f33b779c499c57745238ad46ea90c;p=spectrwm.git

make sure we test the reply to be not NULL too.
---

diff --git a/spectrwm.c b/spectrwm.c
index b36aee1..e5a8a02 100644
--- a/spectrwm.c
+++ b/spectrwm.c
@@ -841,7 +841,7 @@ teardown_ewmh(void)
 		pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
 		    XCB_ATOM_WINDOW, 0, 1);
 		pr = xcb_get_property_reply(conn, pc, NULL);
-		if (pr->format == sup_check) {
+		if (pr && pr->format == sup_check) {
 			id = *((xcb_window_t *)xcb_get_property_value(pr));
 
 			xcb_destroy_window(conn, id);
@@ -6443,7 +6443,7 @@ get_ws_idx(xcb_window_t id)
 		xcb_get_property(conn, 0, id, a_swm_ws,
 		    XCB_ATOM_STRING, 0, SWM_PROPLEN),
 		NULL);
-	if (gpr->type) {
+	if (gpr && gpr->type) {
 		proplen = xcb_get_property_value_length(gpr);
 		if (proplen > 0) {
 			prop = malloc(proplen + 1);