[PATCH v2 0/3] tracing/user_events: Fix incorrect return value for

Now the writing operation return the count of writes whether events are enabled or disabled. Fix this by just return -ENOENT when events are disabled.

v1 -> v2: - Change the returh vale from -EFAULT to -ENOENT

sunliming (3): tracing/user_events: Fix incorrect return value for writing operation when events are disabled selftests/user_events: Enable the event before write_fault test in ftrace self-test selftests/user_events: Add test cases when event is disabled

kernel/trace/trace_events_user.c | 3 ++- tools/testing/selftests/user_events/ftrace_test.c | 8 ++++++++ 2 files changed, 10 insertions(+), 1 deletion(-)