From c8a8acd46ef0d04cee2af02dde0e87f263860189 Mon Sep 17 00:00:00 2001
From: Paul Monigatti <paulmonigatti@users.noreply.github.com>
Date: Wed, 22 Sep 2021 13:55:49 +1200
Subject: [PATCH] Fix ESP8266 preference loading (#2367)

---
 esphome/components/esp8266/preferences.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/esphome/components/esp8266/preferences.cpp b/esphome/components/esp8266/preferences.cpp
index 7c0c264054..041736943b 100644
--- a/esphome/components/esp8266/preferences.cpp
+++ b/esphome/components/esp8266/preferences.cpp
@@ -149,7 +149,12 @@ class ESP8266PreferenceBackend : public ESPPreferenceBackend {
       return false;
 
     uint32_t crc = calculate_crc(buffer.begin(), buffer.end() - 1, type);
-    return buffer[buffer.size() - 1] == crc;
+    if (buffer[buffer.size() - 1] != crc) {
+      return false;
+    }
+
+    memcpy(data, buffer.data(), len);
+    return true;
   }
 };