linux-kernel - 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;
>>+}
>
>[...]