netdev - RE: [RFC PATCH v9 03/10] dpll: core: 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: <DM6PR11MB465793F80239C1C87F1C095A9B30A@DM6PR11MB4657.namprd11.prod.outlook.com>
Date: Mon, 10 Jul 2023 09:50:48 +0000
From: "Kubalewski, Arkadiusz" <arkadiusz.kubalewski@...el.com>
To: Jiri Pirko <jiri@...nulli.us>
CC: "kuba@...nel.org" <kuba@...nel.org>, "vadfed@...a.com" <vadfed@...a.com>,
	"jonathan.lemon@...il.com" <jonathan.lemon@...il.com>, "pabeni@...hat.com"
	<pabeni@...hat.com>, "corbet@....net" <corbet@....net>, "davem@...emloft.net"
	<davem@...emloft.net>, "edumazet@...gle.com" <edumazet@...gle.com>,
	"vadfed@...com" <vadfed@...com>, "Brandeburg, Jesse"
	<jesse.brandeburg@...el.com>, "Nguyen, Anthony L"
	<anthony.l.nguyen@...el.com>, "M, Saeed" <saeedm@...dia.com>,
	"leon@...nel.org" <leon@...nel.org>, "richardcochran@...il.com"
	<richardcochran@...il.com>, "sj@...nel.org" <sj@...nel.org>,
	"javierm@...hat.com" <javierm@...hat.com>, "ricardo.canuelo@...labora.com"
	<ricardo.canuelo@...labora.com>, "mst@...hat.com" <mst@...hat.com>,
	"tzimmermann@...e.de" <tzimmermann@...e.de>, "Michalik, Michal"
	<michal.michalik@...el.com>, "gregkh@...uxfoundation.org"
	<gregkh@...uxfoundation.org>, "jacek.lawrynowicz@...ux.intel.com"
	<jacek.lawrynowicz@...ux.intel.com>, "airlied@...hat.com"
	<airlied@...hat.com>, "ogabbay@...nel.org" <ogabbay@...nel.org>,
	"arnd@...db.de" <arnd@...db.de>, "nipun.gupta@....com" <nipun.gupta@....com>,
	"axboe@...nel.dk" <axboe@...nel.dk>, "linux@...y.sk" <linux@...y.sk>,
	"masahiroy@...nel.org" <masahiroy@...nel.org>,
	"benjamin.tissoires@...hat.com" <benjamin.tissoires@...hat.com>,
	"geert+renesas@...der.be" <geert+renesas@...der.be>, "Olech, Milena"
	<milena.olech@...el.com>, "kuniyu@...zon.com" <kuniyu@...zon.com>,
	"liuhangbin@...il.com" <liuhangbin@...il.com>, "hkallweit1@...il.com"
	<hkallweit1@...il.com>, "andy.ren@...cruise.com" <andy.ren@...cruise.com>,
	"razor@...ckwall.org" <razor@...ckwall.org>, "idosch@...dia.com"
	<idosch@...dia.com>, "lucien.xin@...il.com" <lucien.xin@...il.com>,
	"nicolas.dichtel@...nd.com" <nicolas.dichtel@...nd.com>, "phil@....cc"
	<phil@....cc>, "claudiajkang@...il.com" <claudiajkang@...il.com>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, poros <poros@...hat.com>, mschmidt
	<mschmidt@...hat.com>, "linux-clk@...r.kernel.org"
	<linux-clk@...r.kernel.org>, "vadim.fedorenko@...ux.dev"
	<vadim.fedorenko@...ux.dev>
Subject: RE: [RFC PATCH v9 03/10] dpll: core: Add DPLL framework base
 functions

>From: Jiri Pirko <jiri@...nulli.us>
>Sent: Thursday, June 29, 2023 10:14 AM
>
>Fri, Jun 23, 2023 at 02:38:13PM CEST, arkadiusz.kubalewski@...el.com wrote:
>>From: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
>>
>
>One thing I forgot to point out the last time:
>
>[...]
>
>>+int
>>+dpll_pin_register(struct dpll_device *dpll, struct dpll_pin *pin,
>>+		  const struct dpll_pin_ops *ops, void *priv)
>>+{
>>+	int ret;
>>+
>>+	if (WARN_ON(!ops) ||
>>+	    WARN_ON(!ops->state_on_dpll_get) ||
>>+	    WARN_ON(!ops->direction_get))
>
>Please add check that you don't register to dpll instance which is
>unregistered. Similar check needs to be added to pin_on_pin register.
>
>Also, make sure you don't unregister dpll device/pin which has child
>pins registered under it.
>

Fixed for v10.

Thank you!
Arkadiusz

>
>>+		return -EINVAL;
>>+
>>+	mutex_lock(&dpll_lock);
>>+	if (WARN_ON(!(dpll->module == pin->module &&
>>+		      dpll->clock_id == pin->clock_id)))
>>+		ret = -EINVAL;
>>+	else
>>+		ret = __dpll_pin_register(dpll, pin, ops, priv);
>>+	mutex_unlock(&dpll_lock);
>>+
>>+	return ret;
>>+}
>
>[...]