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Fix crash on dereferencing dangling pointers

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QList::first() returns a reference to an item, but that list was a
temporary. The list gets destroyed at the end of the statement (the
semi-colon), so we ended up keeping a reference to freed data (i.e., a
dangling pointer)

Signed-off-by: Thiago Macieira <thiago@macieira.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Thiago Macieira 2014-05-07 21:51:55 -07:00 • committed by Dirk Hohndel
parent 5bd6361f91
commit 497d6e3e6c
1 changed files with 1 additions and 1 deletions
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2
qt-ui/divelistview.cpp
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@ -275,7 +275,7 @@ void DiveListView::selectDives(const QList<int> &newDiveSelection)
connect(selectionModel(), SIGNAL(currentChanged(QModelIndex, QModelIndex)),
this, SLOT(currentChanged(QModelIndex, QModelIndex)));
Q_EMIT currentDiveChanged(selected_dive);
const QModelIndex &idx = m->match(m->index(0, 0), DiveTripModel::DIVE_IDX, selected_dive, 2, Qt::MatchRecursive).first();
QModelIndex idx = m->match(m->index(0, 0), DiveTripModel::DIVE_IDX, selected_dive, 2, Qt::MatchRecursive).first();
if (idx.parent().isValid())
scrollTo(idx.parent());
scrollTo(idx);