netdev - Re: [PATCH RFC v6 2/6] dpll: Add DPLL framework base functions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZBMNfjJjY9TL2Vif@nanopsycho>
Date:   Thu, 16 Mar 2023 13:37:18 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     Vadim Fedorenko <vadfed@...a.com>
Cc:     Jakub Kicinski <kuba@...nel.org>,
        Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Vadim Fedorenko <vadim.fedorenko@...ux.dev>, poros@...hat.com,
        mschmidt@...hat.com, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
        Milena Olech <milena.olech@...el.com>,
        Michal Michalik <michal.michalik@...el.com>
Subject: Re: [PATCH RFC v6 2/6] dpll: Add DPLL framework base functions

Sun, Mar 12, 2023 at 03:28:03AM CET, vadfed@...a.com wrote:

[...]


>+struct dpll_pin *
>+dpll_pin_alloc(u64 clock_id, u8 device_drv_id,	struct module *module,
>+	       const struct dpll_pin_properties *prop)
>+{
>+	struct dpll_pin *pin;
>+	int ret;
>+
>+	pin = kzalloc(sizeof(*pin), GFP_KERNEL);
>+	if (!pin)
>+		return ERR_PTR(-ENOMEM);
>+	pin->dev_driver_id = device_drv_id;
>+	pin->clock_id = clock_id;
>+	pin->module = module;
>+	refcount_set(&pin->refcount, 1);
>+	if (WARN_ON(!prop->description)) {

Why is this mandatory? I'm now working on mlx5 implementation, don't
really know what to put here for SyncE. The type of the pin SyncE tells
all I need. I would like to avoid description fill-up.


>+		ret = -EINVAL;
>+		goto release;
>+	}
>+	pin->prop.description = kstrdup(prop->description, GFP_KERNEL);
>+	if (!pin->prop.description) {
>+		ret = -ENOMEM;
>+		goto release;
>+	}

[...]