trace-view: Add warning output if advance filter fails

Print reason filter fails.

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

1 files changed, 7 insertions, 1 deletions

diff --git a/trace-view.c b/trace-view.c
index 13fdb7e..052160f 100644
--- a/trace-view.c
+++ b/trace-view.c
@@ -444,6 +444,7 @@ void trace_view_adv_filter_callback(gboolean accept,
         char *error_str;
         guint64 time;
         gint row;
+        int ret;
 
         if (!accept)
                 return;
@@ -458,7 +459,12 @@ void trace_view_adv_filter_callback(gboolean accept,
 
         event_filter = trace_view_store_get_event_filter(store);
 
-        pevent_filter_add_filter_str(event_filter, text, &error_str);
+        ret = pevent_filter_add_filter_str(event_filter, text, &error_str);
+        if (ret < 0) {
+                warning("filter failed due to: %s", error_str);
+                free(error_str);
+                return;
+        }
 
         /* Keep track of the currently selected row */
         row = trace_view_get_selected_row(GTK_WIDGET(trace_tree));