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kman: fix possible null-pointer dereference

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2021-03-11 21:02:33 +02:00
parent e87e117174
commit 2345dd7b51
1 changed files with 7 additions and 6 deletions
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13
kman/kmanmainwindow.cpp
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@ -44,9 +44,6 @@ class KManLister : public QThread {
public:
KManLister(QObject *parent = Q_NULLPTR);
QList<QByteArray> m_paths;
bool m_interrupt;
public Q_SLOTS:
void slotScan(QString path);
@ -58,7 +55,9 @@ class KManLister : public QThread {
virtual void run();
private:
QList<QByteArray> m_paths;
QFileSystemWatcher m_watcher;
bool m_interrupt;
};
KManLister::KManLister(QObject *parent)
@ -363,10 +362,12 @@ QString KManMainWindow::manContent(const QString path) {
QByteArray content;
if (path.endsWith(".gz") || path.endsWith(".bz2") || path.endsWith(".xz")) {
QIODevice *archivedevice = KFilterDev::deviceForFile(path);
if (archivedevice && archivedevice->open(QFile::ReadOnly)) {
content = archivedevice->readAll();
if (archivedevice) {
if (archivedevice->open(QFile::ReadOnly)) {
content = archivedevice->readAll();
}
archivedevice->deleteLater();
}
archivedevice->deleteLater();
} else {
if (pathfile.open(QFile::ReadOnly)) {
content = pathfile.readAll();