trace-graph: Clean up plots when reloading a new trace.dat

Need to destroy the the plots with the full destructor when removing
them before loading a new trace.dat file.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 11 insertions, 2 deletions

diff --git a/trace-plot.c b/trace-plot.c
index 37b5cfc..5ba2ec1 100644
--- a/trace-plot.c
+++ b/trace-plot.c
@@ -3,10 +3,19 @@
 
 void trace_graph_plot_free(struct graph_info *ginfo)
 {
+        struct graph_plot **array;
+        int plots;
         int i;
 
-        for (i = 0; i < ginfo->plots; i++)
-                free(ginfo->plot_array[i]);
+        /* copy the plot_array since the removing plots will modify it */
+        array = malloc_or_die(sizeof(*array) * ginfo->plots);
+        memcpy(array, ginfo->plot_array, sizeof(*array) * ginfo->plots);
+        plots = ginfo->plots;
+
+
+        for (i = 0; i < plots; i++)
+                trace_graph_plot_remove(ginfo, array[i]);
+        free(array);
 
         if (ginfo->plot_array) {
                 free(ginfo->plot_array);