From aa1b3457a1248f84b907570563db7f0d57d837f7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Mon, 20 Jul 2020 17:29:56 +0200
Subject: [PATCH] bar/wayland: make sure we don't strcmp() a NULL pointer

---
 bar/wayland.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/bar/wayland.c b/bar/wayland.c
index f87957a..9ac26ba 100644
--- a/bar/wayland.c
+++ b/bar/wayland.c
@@ -447,7 +447,9 @@ xdg_output_handle_done(void *data, struct zxdg_output_v1 *xdg_output)
     struct wayland_backend *backend = mon->backend;
     struct private *bar = backend->bar->private;
 
-    if (bar->monitor != NULL && strcmp(bar->monitor, mon->name) == 0) {
+    if (bar->monitor != NULL && mon->name != NULL &&
+        strcmp(bar->monitor, mon->name) == 0)
+    {
         /* User specified a monitor, and this is one */
         backend->monitor = mon;
         backend->scale = mon->scale;