1 files changed, 2 insertions, 1 deletions

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index c9f31491009f..9e3198782507 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3792,7 +3792,8 @@ out:
         if (fail)
                 return -EINVAL;
 
-        ftrace_graph_filter_enabled = 1;
+        ftrace_graph_filter_enabled = !!(*idx);
+
         return 0;
 }