Re: [PATCH] aic94xx: set error code on an error path in aic94xx_init

[Andy Shevchenko <andy.shevchenko@xxxxxxxxx>]

On Thu, May 31, 2018 at 9:28 PM, Peter Melnichenko
<melnichenko@xxxxxxxxx> wrote:
> When sas_domain_attach_transport returns NULL, aic94xx_init
> frees acquired resources but returns err equal to 0, as
> assigned by a previous statement.
>
> The patch sets err to -ENOMEM before jumping to the error label.

Wouldn't be better to fix a callee to return proper error code and...

>         aic94xx_transport_template =
>                 sas_domain_attach_transport(&aic94xx_transport_functions);
> -       if (!aic94xx_transport_template)
> +       if (!aic94xx_transport_template) {
> +               err = -ENOMEM;
>                 goto out_destroy_caches;
> +       }

this becomes

err = _attach_();
if (err < 0)
 goto ;
_template = err;

?

-- 
With Best Regards,
Andy Shevchenko