Do not dereference a nullptr.
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@ -100,6 +100,8 @@ PartitionModel::parent( const QModelIndex& child ) const
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if ( !child.isValid() )
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return QModelIndex();
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Partition* partition = partitionForIndex( child );
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if ( !partition )
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return QModelIndex();
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PartitionNode* parentNode = partition->parent();
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if ( parentNode == m_device->partitionTable() )
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return QModelIndex();
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