From 018020c2023442b8a8a3afd1da26f21dca42bb2d Mon Sep 17 00:00:00 2001
From: Dominik Gschwind <dominik.gschwind99@gmail.com>
Date: Sun, 15 Aug 2021 12:01:36 +0200
Subject: [PATCH] Add `esp_result!` version without return value arg

---
 src/error.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/error.rs b/src/error.rs
index c2c0f763e7a..68d606c05e0 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -72,6 +72,9 @@ macro_rules! esp_result {
     ($err:expr, $value:expr) => {{
         esp_idf_sys::EspError::check_and_return($err as esp_idf_sys::esp_err_t, $value)
     }};
+    ($err:expr) => {{
+        esp_idf_sys::EspError::check_and_return($err as esp_idf_sys::esp_err_t, ())
+    }};
 }
 
 #[macro_export]