From f71aaf9615736e8c76e4519430c52f722c1afe84 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Thu, 7 Feb 2019 11:50:52 +0100
Subject: [PATCH] bar: call backend->cleanup() when backend->setup() fails

This makes it easier to implement proper cleanup in the backends, as
setup() doesn't have to clean up it's own mess upon failure.
---
 bar/bar.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/bar/bar.c b/bar/bar.c
index aef9ac1..145cfd0 100644
--- a/bar/bar.c
+++ b/bar/bar.c
@@ -245,8 +245,10 @@ run(struct bar *_bar)
 
     bar->height_with_border = bar->height + 2 * bar->border.width;
 
-    if (!bar->backend.iface->setup(_bar))
+    if (!bar->backend.iface->setup(_bar)) {
+        bar->backend.iface->cleanup(_bar);
         return 1;
+    }
 
     set_cursor(_bar, "left_ptr");