Re: [PATCH v2 1/7] kunit: Handle thread creation error

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On Sat, 2 Mar 2024 at 03:40, Mickaël Salaün <mic@xxxxxxxxxxx> wrote:
>
> Previously, if a thread creation failed (e.g. -ENOMEM), the function was
> called (kunit_catch_run_case or kunit_catch_run_case_cleanup) without
> marking the test as failed.  Instead, fill try_result with the error
> code returned by kthread_run(), which will mark the test as failed and
> print "internal error occurred...".
>
> Cc: Brendan Higgins <brendanhiggins@xxxxxxxxxx>
> Cc: David Gow <davidgow@xxxxxxxxxx>
> Cc: Rae Moar <rmoar@xxxxxxxxxx>
> Cc: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Signed-off-by: Mickaël Salaün <mic@xxxxxxxxxxx>
> Link: https://lore.kernel.org/r/20240301194037.532117-2-mic@xxxxxxxxxxx
> ---
>
> Changes since v1:
> * Added Kees's Reviewed-by.
> ---

Thanks for catching this!

Reviewed-by: David Gow <davidgow@xxxxxxxxxx>

Thanks,
-- David


-- David
>  lib/kunit/try-catch.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/lib/kunit/try-catch.c b/lib/kunit/try-catch.c
> index f7825991d576..a5cb2ef70a25 100644
> --- a/lib/kunit/try-catch.c
> +++ b/lib/kunit/try-catch.c
> @@ -69,6 +69,7 @@ void kunit_try_catch_run(struct kunit_try_catch *try_catch, void *context)
>                                   try_catch,
>                                   "kunit_try_catch_thread");
>         if (IS_ERR(task_struct)) {
> +               try_catch->try_result = PTR_ERR(task_struct);
>                 try_catch->catch(try_catch->context);
>                 return;
>         }
> --
> 2.44.0
>

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