From 18e9d67d778361ae50449374fed6789c0c02439d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Sun, 22 Sep 2019 11:59:48 +0200
Subject: [PATCH] bar/wayland: fail when we can't find the specified monitor

---
 bar/wayland.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/bar/wayland.c b/bar/wayland.c
index a5be23e..23edb81 100644
--- a/bar/wayland.c
+++ b/bar/wayland.c
@@ -595,6 +595,12 @@ setup(struct bar *_bar)
             backend->monitor = mon;
     }
 
+    if (backend->monitor == NULL) {
+        LOG_ERR("failed to find the specified monitor: %s",
+                bar->monitor != NULL ? bar->monitor : "default");
+        return false;
+    }
+
     backend->surface = wl_compositor_create_surface(backend->compositor);
     if (backend->surface == NULL) {
         LOG_ERR("failed to create panel surface");