linux-kernel - [PATCH 0/3] tracing/user_events: Fix incorrect return value for

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Message-Id: <20230608011554.1181097-1-sunliming@kylinos.cn>
Date:   Thu,  8 Jun 2023 09:15:51 +0800
From:   sunliming <sunliming@...inos.cn>
To:     mhiramat@...nel.org, beaub@...ux.microsoft.com,
        rostedt@...dmis.org, shuah@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, kelulanainsley@...il.com,
        sunliming <sunliming@...inos.cn>
Subject: [PATCH 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 -EFAULT when events are disabled.

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 | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

-- 
2.25.1