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It's safe to delete NULL pointers

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Small code cleanup, it's safe to delete null pointers.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Tomaz Canabrava 2014-07-11 13:10:43 -03:00 committed by Dirk Hohndel
parent 040e172d33
commit 9661926131
1 changed files with 2 additions and 4 deletions
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6
qt-ui/mainwindow.cpp
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@ -155,8 +155,7 @@ void MainWindow::refreshDisplay(bool doRecreateDiveList)
WSInfoModel::instance()->updateInfo();
// refresh the yearly stats if the window has an instance
if (yearlyStats) {
if (yearlyStatsModel)
delete yearlyStatsModel;
delete yearlyStatsModel;
yearlyStatsModel = new YearlyStatisticsModel();
yearlyStats->setModel(yearlyStatsModel);
}
@ -525,8 +524,7 @@ void MainWindow::on_actionYearlyStatistics_triggered()
/* problem here is that without more MainWindow variables or a separate YearlyStatistics
* class the user needs to close the window/widget and re-open it for it to update.
*/
if (yearlyStatsModel)
delete yearlyStatsModel;
delete yearlyStatsModel;
yearlyStatsModel = new YearlyStatisticsModel();
yearlyStats->setModel(yearlyStatsModel);
yearlyStats->raise();