From 7109334d2b94cce94949488a6b9bb48c57979a0e Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Sat, 18 Oct 2025 16:51:04 -0600
Subject: [PATCH] hwd: require dtb to parse in order to use devicetree backend

---
 hwd/src/backend/devicetree.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hwd/src/backend/devicetree.rs b/hwd/src/backend/devicetree.rs
index 10b9a6e997..9159b9e631 100644
--- a/hwd/src/backend/devicetree.rs
+++ b/hwd/src/backend/devicetree.rs
@@ -9,6 +9,7 @@ pub struct DeviceTreeBackend {
 impl Backend for DeviceTreeBackend {
     fn new() -> Result<Self, Box<dyn Error>> {
         let dtb = fs::read("/scheme/kernel.dtb")?;
+        let dt = fdt::Fdt::new(&dtb).map_err(|err| format!("failed to parse dtb: {}", err))?;
         Ok(Self { dtb })
     }