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Fix another potential crash when memory allocation failed.

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See commit e95fce3084.
Related issues #3877 and #2673.
This commit is contained in:
sledgehammer999 2015-10-17 18:19:47 +03:00
parent cc9ffc4767
commit d60f2fc7df
1 changed files with 5 additions and 0 deletions
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5
src/gui/properties/downloadedpiecesbar.cpp
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@ -29,6 +29,7 @@
*/ */
#include <cmath> #include <cmath>
#include <QDebug>
#include "downloadedpiecesbar.h" #include "downloadedpiecesbar.h"
DownloadedPiecesBar::DownloadedPiecesBar(QWidget *parent): QWidget(parent) DownloadedPiecesBar::DownloadedPiecesBar(QWidget *parent): QWidget(parent)
@ -150,6 +151,10 @@ void DownloadedPiecesBar::updateImage()
{ {
// qDebug() << "updateImage"; // qDebug() << "updateImage";
QImage image2(width() - 2, 1, QImage::Format_RGB888); QImage image2(width() - 2, 1, QImage::Format_RGB888);
if (image2.isNull()) {
qDebug() << "QImage image2() allocation failed, width():" << width();
return;
}
if (m_pieces.isEmpty()) { if (m_pieces.isEmpty()) {
image2.fill(0xffffff); image2.fill(0xffffff);