Messages in this thread | ![/](/images/icornerl.gif) | | Date | Mon, 26 Jun 2023 09:36:21 -0700 | From | Beau Belgrave <> | Subject | Re: [PATCH v4 0/3] tracing/user_events: Fix incorrect return value for writes when events are disabled and add its tests |
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On Mon, Jun 26, 2023 at 07:13:41PM +0800, sunliming wrote: > Now the writing operation return the count of writes regardless of whether > events are enabled or disabled. Fix this by just return -EBADF when events > are disabled. > > v3 -> v4: > - Change the return value from zero to -EBADF >
Applied these locally, ran a few tests. This looks good to me.
Acked-by: Beau Belgrave <beaub@linux.microsoft.com>
Thanks, -Beau
> 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 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(-) > > -- > 2.25.1
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