From 82b86fe924ed11969a7653641fdbd32ac27dc538 Mon Sep 17 00:00:00 2001
From: Anton Lundin <glance@acc.umu.se>
Date: Wed, 11 Dec 2013 00:53:37 +0100
Subject: [PATCH] Fix potential null pointer dereference

If createTemporaryPlan was called on a empty diveplan.

Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
---
 qt-ui/diveplanner.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/qt-ui/diveplanner.cpp b/qt-ui/diveplanner.cpp
index dedbd617d..fe7a7d1e3 100644
--- a/qt-ui/diveplanner.cpp
+++ b/qt-ui/diveplanner.cpp
@@ -1422,6 +1422,8 @@ void DivePlannerPointsModel::createTemporaryPlan()
 		lastIndex = i;
 		plan_add_segment(&diveplan, deltaT, p.depth, p.o2, p.he, p.po2);
 	}
+	if (!diveplan.dp)
+		return;
 	char *cache = NULL;
 	tempDive = NULL;
 	const char *errorString = NULL;