[PATCH 1/3] kselftest/arm64: Fix check for setting new VLs in sve-ptrace

[Mark Rutland]

On Fri, May 23, 2025 at 04:27:12PM +0100, Mark Brown wrote:
> The check that the new vector length we set was the expected one was typoed
> to an assignment statement which for some reason the compilers didn't spot,
> most likely due to the macros involved.
> 
> Fixes: 0dca276ac4d2 ("selftests: arm64: Add test for the SVE ptrace interface")

I don't think that fixes tag is correct. AFAICT, this code was
introduced in commit:

  a1d7111257cd ("selftests: arm64: More comprehensively test the SVE ptrace interface")

... and there wasn't something equivalent prior to that.

With that fixed:

Acked-by: Mark Rutland <mark.rutland at arm.com>

Mark.

> Signed-off-by: Mark Brown <broonie at kernel.org>
> ---
>  tools/testing/selftests/arm64/fp/sve-ptrace.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/arm64/fp/sve-ptrace.c b/tools/testing/selftests/arm64/fp/sve-ptrace.c
> index 577b6e05e860..c499d5789dd5 100644
> --- a/tools/testing/selftests/arm64/fp/sve-ptrace.c
> +++ b/tools/testing/selftests/arm64/fp/sve-ptrace.c
> @@ -253,7 +253,7 @@ static void ptrace_set_get_vl(pid_t child, const struct vec_type *type,
>  		return;
>  	}
>  
> -	ksft_test_result(new_sve->vl = prctl_vl, "Set %s VL %u\n",
> +	ksft_test_result(new_sve->vl == prctl_vl, "Set %s VL %u\n",
>  			 type->name, vl);
>  
>  	free(new_sve);
> 
> -- 
> 2.39.5
>