From 725c2b3354ca446525b9931746b2441de6b8b816 Mon Sep 17 00:00:00 2001 From: Alexis La Goutte Date: Thu, 10 Apr 2014 22:53:11 +0200 Subject: Fix called C++ object pointer is null found by Clang Analyzer Change-Id: I7d142ed60af8bb776ea732bf9ef94ad92bc23d70 Reviewed-on: https://code.wireshark.org/review/1061 Reviewed-by: Michael Mann --- ui/qt/io_graph_dialog.cpp | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) (limited to 'ui/qt/io_graph_dialog.cpp') diff --git a/ui/qt/io_graph_dialog.cpp b/ui/qt/io_graph_dialog.cpp index c6d776015c..636a343fb7 100644 --- a/ui/qt/io_graph_dialog.cpp +++ b/ui/qt/io_graph_dialog.cpp @@ -1667,19 +1667,29 @@ void IOGraph::setPlotStyle(int style) } switch (style) { case psLine: - graph_->setLineStyle(QCPGraph::lsLine); + if (graph_) { + graph_->setLineStyle(QCPGraph::lsLine); + } break; case psImpulse: - graph_->setLineStyle(QCPGraph::lsImpulse); + if (graph_) { + graph_->setLineStyle(QCPGraph::lsImpulse); + } break; case psDot: - graph_->setScatterStyle(QCPScatterStyle::ssDisc); + if (graph_) { + graph_->setScatterStyle(QCPScatterStyle::ssDisc); + } break; case psSquare: - graph_->setScatterStyle(QCPScatterStyle::ssSquare); + if (graph_) { + graph_->setScatterStyle(QCPScatterStyle::ssSquare); + } break; case psDiamond: - graph_->setScatterStyle(QCPScatterStyle::ssDiamond); + if (graph_) { + graph_->setScatterStyle(QCPScatterStyle::ssDiamond); + } break; case psBar: case IOGraph::psStackedBar: -- cgit v1.2.3