From 1a19e21b156570025583dc50e3d40d3e56599466 Mon Sep 17 00:00:00 2001
From: Romain Porte <microjoe@microjoe.org>
Date: Thu, 27 Feb 2020 12:53:42 +0100
Subject: of_node: extract variable to make the code clearer

---
 src/of_node.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/of_node.rs b/src/of_node.rs
index 5dff2a0..01806df 100644
--- a/src/of_node.rs
+++ b/src/of_node.rs
@@ -12,7 +12,8 @@ fn read_u32_node(node_name: &str) -> Result<u32> {
         "/sys/devices/platform/auxdisplay/of_node/{}",
         node_name
     ))?;
-    Ok(f.read_u32::<BigEndian>()?)
+    let value = f.read_u32::<BigEndian>()?;
+    Ok(value)
 }
 
 pub fn display_height_chars() -> Result<u32> {
-- 
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