From 229a2d2b343d71121f8d080f1a1df100fc9f8e5b Mon Sep 17 00:00:00 2001
From: andig <cpuidle@gmx.de>
Date: Wed, 10 May 2023 16:16:59 +0200
Subject: [PATCH] Dereference pointers when publishing (#7905)

---
 util/tee.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/util/tee.go b/util/tee.go
index eb8670f45..69318c71a 100644
--- a/util/tee.go
+++ b/util/tee.go
@@ -1,5 +1,7 @@
 package util
 
+import "reflect"
+
 // TeeAttacher allows to attach a listener to a tee
 type TeeAttacher interface {
 	Attach() <-chan Param
@@ -28,6 +30,13 @@ func (t *Tee) add(out chan<- Param) {
 func (t *Tee) Run(in <-chan Param) {
 	for msg := range in {
 		for _, recv := range t.recv {
+			// dereference pointers (https://github.com/evcc-io/evcc/issues/7895)
+			if val := reflect.ValueOf(msg.Val); val.Kind() == reflect.Ptr {
+				if ptr := reflect.Indirect(val); ptr.IsValid() {
+					msg.Val = ptr.Addr().Elem().Interface()
+				}
+			}
+
 			recv <- msg
 		}
 	}