From e2c216a4b84803668a10351dc1d5d9d922ae5539 Mon Sep 17 00:00:00 2001
From: Ian Fan <ianfan0@gmail.com>
Date: Sat, 29 Dec 2018 14:49:37 +0000
Subject: [PATCH] examples/layer-shell.c: check popup exists before drawing

---
 examples/layer-shell.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/examples/layer-shell.c b/examples/layer-shell.c
index 114b98f6..77b2f6c3 100644
--- a/examples/layer-shell.c
+++ b/examples/layer-shell.c
@@ -87,7 +87,9 @@ static void popup_surface_frame_callback(
 		void *data, struct wl_callback *cb, uint32_t time) {
 	wl_callback_destroy(cb);
 	popup_frame_callback = NULL;
-	draw_popup();
+	if (popup) {
+		draw_popup();
+	}
 }
 
 static struct wl_callback_listener popup_frame_listener = {