Program crashes

[Fallen_]

Channel::Channel(QWidget* parent, const QString& name, QTcpSocket* socket)
	: QWidget(parent), chan(name), m_socket(socket)
{
	write = new QLineEdit;
	read = new QTextEdit;
	send = new QPushButton(tr("Send"));
	read->setReadOnly(true);
	QVBoxLayout* layout = new QVBoxLayout;
	layout->addWidget(read);
	layout->addWidget(write);
	layout->addWidget(send);
	setLayout(layout);
	setWindowTitle(name.toLatin1());
	connect(send, SIGNAL(clicked()), this, SLOT(sendM()));
	read->append("Welcome to " + name + "\n");
}

Channel::Channel(QWidget* parent, const QString& name, QTcpSocket* socket)
	: QWidget(parent), chan(name), m_socket(socket)
{
	write = new QLineEdit;
	read = new QTextEdit;
	send = new QPushButton(tr("Send"));
	read->setReadOnly(true);
	QVBoxLayout* layout = new QVBoxLayout;
	layout->addWidget(read);
	layout->addWidget(write);
	layout->addWidget(send);
	setLayout(layout);
	setWindowTitle(name.toLatin1());
	connect(send, SIGNAL(clicked()), this, SLOT(sendM()));
	read->append("Welcome to " + name + "\n");
}

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