From f5fd12c002cde3b5b8d30965c00ae2644958b9cb Mon Sep 17 00:00:00 2001
From: jean-pierre charras <jp.charras@wanadoo.fr>
Date: Sat, 8 Oct 2022 15:56:07 +0200
Subject: [PATCH] Symbol Editor: Fix reverting changes on a root symbol:
 derived symbols are displayed wrong Reverting changes broke links between
 derived symbols and the root symbol. Now fixed by do not delete and recreate
 reverted symbol. Fixes #10792
 https://gitlab.com/kicad/code/kicad/issues/10792

---
 eeschema/symbol_library_manager.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/eeschema/symbol_library_manager.cpp b/eeschema/symbol_library_manager.cpp
index 5d409110c3..e8fbea1dd9 100644
--- a/eeschema/symbol_library_manager.cpp
+++ b/eeschema/symbol_library_manager.cpp
@@ -528,7 +528,8 @@ LIB_ID SYMBOL_LIBRARY_MANAGER::RevertSymbol( const wxString& aAlias, const wxStr
     }
     else
     {
-        symbolBuf->SetSymbol( new LIB_SYMBOL( original ) );
+        // copy the initial data to the current symbol to restore
+        *symbolBuf->GetSymbol() = original;
         OnDataChanged();
     }