Fix eeschema crash when updating fields from libraries, and when a symbol in schematic is not found in libs

Fixes: lp:1779722 https://bugs.launchpad.net/kicad/+bug/1779722
7 years ago · 3df27430c7
1 changed files with 4 additions and 0 deletions
--- a/eeschema/dialogs/dialog_update_fields.cpp
+++ b/eeschema/dialogs/dialog_update_fields.cpp
@ -135,6 +135,10 @@ void DIALOG_UPDATE_FIELDS::updateFields( SCH_COMPONENT* aComponent )
    SCH_FIELDS newFields;

    PART_SPTR libPart = aComponent->GetPartRef().lock();
+
+    if( libPart == nullptr )    // the symbol is not found in lib: cannot update fields
+        return;
+
    aComponent->GetFields( oldFields, false );

    for( auto compField : oldFields )