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Eeschema: fix crash when editing a old legacy schematic with missing libs, 

and trying to edit a dummy symbol. (crash due to a null pointer due to missing lib)
From master branch
Fixes #17232
https://gitlab.com/kicad/code/kicad/-/issues/17232
This commit is contained in:
jean-pierre charras 2024-03-02 15:23:23 +01:00
parent fa4d759fcb
commit 655cee523b
1 changed files with 4 additions and 3 deletions
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7
eeschema/fields_grid_table.cpp
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@ -1,7 +1,7 @@
/* /*
* This program source code file is part of KiCad, a free EDA CAD application. * This program source code file is part of KiCad, a free EDA CAD application.
* *
* Copyright (C) 2018-2023 KiCad Developers, see AUTHORS.txt for contributors. * Copyright (C) 2018-2024 KiCad Developers, see AUTHORS.txt for contributors.
* *
* This program is free software; you can redistribute it and/or * This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License * modify it under the terms of the GNU General Public License
@ -455,8 +455,9 @@ wxGridCellAttr* FIELDS_GRID_TABLE<T>::GetAttr( int aRow, int aCol, wxGridCellAtt
else if( m_parentType == SCH_SYMBOL_T && aRow == FOOTPRINT_FIELD ) else if( m_parentType == SCH_SYMBOL_T && aRow == FOOTPRINT_FIELD )
{ {
// Power symbols have do not appear in the board, so don't allow // Power symbols have do not appear in the board, so don't allow
// a footprint // a footprint (m_part can be nullptr when loading a old schematic
if( m_part->IsPower() ) // (for instance Kicad 4) with libraries missing)
if( m_part && m_part->IsPower() )
{ {
m_readOnlyAttr->IncRef(); m_readOnlyAttr->IncRef();
return m_readOnlyAttr; return m_readOnlyAttr;