Re: [PATCH i-g-t v2 06/17] lib/ktap: Make sure we fail on premature cancel

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On Fri,  8 Sep 2023 14:32:40 +0200
Janusz Krzysztofik <janusz.krzysztofik@xxxxxxxxxxxxxxx> wrote:

> After loading a kunit test module that executes some kunit test cases, we
> evaluate overall result of an IGT subtest that corresponds to that module
> based on an error code returned by kunit_parser_stop() helper, obtained
> from a .ret field of a ktap_args structure.  That code is now assigned to
> that structure field right before completion of the KTAP parser thread
> start routine.  If the thread is canceled for some reason then the return
> code will be undefined.
> 
> Initialize the return code on KTAP parser startup with a value that
> indicates a failure, then change it to success when so indicated by result
> of KTAP parsing.
> 
> Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@xxxxxxxxxxxxxxx>

Reviewed-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>

> ---
>  lib/igt_ktap.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/lib/igt_ktap.c b/lib/igt_ktap.c
> index 123a40d183..84fb13218f 100644
> --- a/lib/igt_ktap.c
> +++ b/lib/igt_ktap.c
> @@ -579,9 +579,7 @@ igt_ktap_parser_start:
>  igt_ktap_parser_end:
>  	results.still_running = false;
>  
> -	if (failed_tests || !found_tests)
> -		ktap_args.ret = IGT_EXIT_FAILURE;
> -	else
> +	if (found_tests && !failed_tests)
>  		ktap_args.ret = IGT_EXIT_SUCCESS;
>  
>  	return NULL;
> @@ -598,6 +596,7 @@ struct ktap_test_results *ktap_parser_start(int fd, bool is_builtin)
>  	ktap_args.fd = fd;
>  	ktap_args.is_builtin = is_builtin;
>  	ktap_args.is_running = true;
> +	ktap_args.ret = IGT_EXIT_FAILURE;
>  	pthread_create(&ktap_parser_thread, NULL, igt_ktap_parser, NULL);
>  
>  	return &results;



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