Add and use preference for speed units.

[andy/viking.git] / src / viktrack.c

diff --git a/src/viktrack.c b/src/viktrack.c
index 4d43815d135d33ae69dc3f99c489bc7d5143d13b..e03d8aa2a096f6153d302ce444ddd62b74557963 100644 (file)
--- a/src/viktrack.c
+++ b/src/viktrack.c
@@ -379,8 +379,10 @@ gdouble *vik_track_make_elevation_map ( const VikTrack *tr, guint16 num_chunks )
   chunk_length = total_length / num_chunks;
 
   /* Zero chunk_length (eg, track of 2 tp with the same loc) will cause crash */
-  if (chunk_length <= 0)
+  if (chunk_length <= 0) {
+    g_free(pts);
     return NULL;
+  }
 
   current_dist = 0.0;
   current_area_under_curve = 0;