Re: [PATCH v4 2/2] RDMA/srp: Fix error return code in srp_parse_options()

[Andy Shevchenko]

On Thu, Dec 01, 2022 at 09:49:51AM +0800, wangyufen wrote:
> 在 2022/12/1 2:00, Bart Van Assche 写道:
> > On 11/29/22 19:31, wangyufen wrote:

...

>                 case SRP_OPT_CMD_SG_ENTRIES:
> -                       if (match_int(args, &token) || token < 1 || token >
> 255) {
> +                       ret = match_int(args, &token);
> +                       if (ret) {
> +                               pr_warn("bad max cmd_sg_entries parameter
> '%s'\n",

It's misleading message here. The problem is that parser failed by some reason.
Otherwise this variant seems good one.

> +                                       p);
> +                               goto out;
> +                       }
> +                       if (token < 1 || token > 255) {
>                                 pr_warn("bad max cmd_sg_entries parameter
> '%s'\n",
>                                         p);
> +                               ret = -EINVAL;
>                                 goto out;
>                         }
>                         target->cmd_sg_cnt = token;
>                         break;

...

> Or the following is better?

Why do you want to shadow actual error code?

-- 
With Best Regards,
Andy Shevchenko