[PATCH v3 0/3] tracing/user_events: Fix incorrect return value for

From: sunliming
Date: Wed Jun 21 2023 - 02:08:44 EST


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

v2 -> v3:
- Change the return value from -ENOENT to zero

v1 -> v2:
- Change the return value from -EFAULT to -ENOENT


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

kernel/trace/trace_events_user.c | 3 ++-
tools/testing/selftests/user_events/ftrace_test.c | 7 +++++++
2 files changed, 9 insertions(+), 1 deletion(-)

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2.25.1