From 0539f0b515b8acd916c27c2013d4aa8ff1fb6e99 Mon Sep 17 00:00:00 2001
From: Stefan Gehr <stefangehr@protonmail.com>
Date: Mon, 2 Aug 2021 00:08:04 +0200
Subject: [PATCH] Workaround for service starting before hwmon paths

Let the service fail when there are no hwmon paths yet.
---
 src/main.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index a5d2479..6c1f2e3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -145,6 +145,9 @@ fn controllers(config: &Config, filter: bool) -> std::io::Result<Vec<HwMon>> {
 
 fn service(config: Config) -> std::io::Result<()> {
     let mut controllers = controllers(&config, true)?;
+    if controllers.len() < 1 {
+        return Err(not_found());
+    }
     let mut cache = std::collections::HashMap::new();
     loop {
         for hw_mon in controllers.iter_mut() {