From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9050BC74A51 for ; Thu, 11 Jul 2019 09:34:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 62523208E4 for ; Thu, 11 Jul 2019 09:34:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="BIrf/49k" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728083AbfGKJeL (ORCPT ); Thu, 11 Jul 2019 05:34:11 -0400 Received: from mout.web.de ([212.227.15.3]:54415 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726088AbfGKJeK (ORCPT ); Thu, 11 Jul 2019 05:34:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1562837617; bh=QMVNj5fg+/7lPtHz1QND/Mzp+oXxlM2TSpezOk+oacA=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=BIrf/49kJehFww3FgmPUBhIlupe6E8wfnMm0rP93UdTfgan+9nAz3Do+9bixtk9pN k/NJkynyNymuUy5z59p06M3+rXd+YrTwNcpx0qvZIsLOr6+tIcN/pwoxKEXqnilWpq c/UdopFZvdnIiX6zz0LXGfeE/cduiE0nxOXpvW5o= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([93.132.182.165]) by smtp.web.de (mrweb003 [213.165.67.108]) with ESMTPSA (Nemesis) id 0MT8cQ-1hslEN1gFa-00S8yH; Thu, 11 Jul 2019 11:33:37 +0200 Subject: Re: Coccinelle: Checking of_node_put() calls with SmPL To: Julia Lawall , Wen Yang , kernel-janitors@vger.kernel.org Cc: "Rafael J. Wysocki" , Daniel Lezcano , Benjamin Herrenschmidt , Cheng Shengyu , Kumar Gala , Michael Ellerman , Paul Mackerras , Scott Wood , Xue Zhihong , Yi Wang , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-pm@vger.kernel.org References: <201907111435459627761@zte.com.cn> From: Markus Elfring Openpgp: preference=signencrypt Autocrypt: addr=Markus.Elfring@web.de; prefer-encrypt=mutual; keydata= mQINBFg2+xABEADBJW2hoUoFXVFWTeKbqqif8VjszdMkriilx90WB5c0ddWQX14h6w5bT/A8 +v43YoGpDNyhgA0w9CEhuwfZrE91GocMtjLO67TAc2i2nxMc/FJRDI0OemO4VJ9RwID6ltwt mpVJgXGKkNJ1ey+QOXouzlErVvE2fRh+KXXN1Q7fSmTJlAW9XJYHS3BDHb0uRpymRSX3O+E2 lA87C7R8qAigPDZi6Z7UmwIA83ZMKXQ5stA0lhPyYgQcM7fh7V4ZYhnR0I5/qkUoxKpqaYLp YHBczVP+Zx/zHOM0KQphOMbU7X3c1pmMruoe6ti9uZzqZSLsF+NKXFEPBS665tQr66HJvZvY GMDlntZFAZ6xQvCC1r3MGoxEC1tuEa24vPCC9RZ9wk2sY5Csbva0WwYv3WKRZZBv8eIhGMxs rcpeGShRFyZ/0BYO53wZAPV1pEhGLLxd8eLN/nEWjJE0ejakPC1H/mt5F+yQBJAzz9JzbToU 5jKLu0SugNI18MspJut8AiA1M44CIWrNHXvWsQ+nnBKHDHHYZu7MoXlOmB32ndsfPthR3GSv jN7YD4Ad724H8fhRijmC1+RpuSce7w2JLj5cYj4MlccmNb8YUxsE8brY2WkXQYS8Ivse39MX BE66MQN0r5DQ6oqgoJ4gHIVBUv/ZwgcmUNS5gQkNCFA0dWXznQARAQABtCZNYXJrdXMgRWxm cmluZyA8TWFya3VzLkVsZnJpbmdAd2ViLmRlPokCVAQTAQgAPhYhBHDP0hzibeXjwQ/ITuU9 Figxg9azBQJYNvsQAhsjBQkJZgGABQsJCAcCBhUICQoLAgQWAgMBAh4BAheAAAoJEOU9Figx g9azcyMP/iVihZkZ4VyH3/wlV3nRiXvSreqg+pGPI3c8J6DjP9zvz7QHN35zWM++1yNek7Ar OVXwuKBo18ASlYzZPTFJZwQQdkZSV+atwIzG3US50ZZ4p7VyUuDuQQVVqFlaf6qZOkwHSnk+ CeGxlDz1POSHY17VbJG2CzPuqMfgBtqIU1dODFLpFq4oIAwEOG6fxRa59qbsTLXxyw+PzRaR LIjVOit28raM83Efk07JKow8URb4u1n7k9RGAcnsM5/WMLRbDYjWTx0lJ2WO9zYwPgRykhn2 sOyJVXk9xVESGTwEPbTtfHM+4x0n0gC6GzfTMvwvZ9G6xoM0S4/+lgbaaa9t5tT/PrsvJiob kfqDrPbmSwr2G5mHnSM9M7B+w8odjmQFOwAjfcxoVIHxC4Cl/GAAKsX3KNKTspCHR0Yag78w i8duH/eEd4tB8twcqCi3aCgWoIrhjNS0myusmuA89kAWFFW5z26qNCOefovCx8drdMXQfMYv g5lRk821ZCNBosfRUvcMXoY6lTwHLIDrEfkJQtjxfdTlWQdwr0mM5ye7vd83AManSQwutgpI q+wE8CNY2VN9xAlE7OhcmWXlnAw3MJLW863SXdGlnkA3N+U4BoKQSIToGuXARQ14IMNvfeKX NphLPpUUnUNdfxAHu/S3tPTc/E/oePbHo794dnEm57LuuQINBFg2+xABEADZg/T+4o5qj4cw nd0G5pFy7ACxk28mSrLuva9tyzqPgRZ2bdPiwNXJUvBg1es2u81urekeUvGvnERB/TKekp25 4wU3I2lEhIXj5NVdLc6eU5czZQs4YEZbu1U5iqhhZmKhlLrhLlZv2whLOXRlLwi4jAzXIZAu 76mT813jbczl2dwxFxcT8XRzk9+dwzNTdOg75683uinMgskiiul+dzd6sumdOhRZR7YBT+xC wzfykOgBKnzfFscMwKR0iuHNB+VdEnZw80XGZi4N1ku81DHxmo2HG3icg7CwO1ih2jx8ik0r riIyMhJrTXgR1hF6kQnX7p2mXe6K0s8tQFK0ZZmYpZuGYYsV05OvU8yqrRVL/GYvy4Xgplm3 DuMuC7/A9/BfmxZVEPAS1gW6QQ8vSO4zf60zREKoSNYeiv+tURM2KOEj8tCMZN3k3sNASfoG fMvTvOjT0yzMbJsI1jwLwy5uA2JVdSLoWzBD8awZ2X/eCU9YDZeGuWmxzIHvkuMj8FfX8cK/ 2m437UA877eqmcgiEy/3B7XeHUipOL83gjfq4ETzVmxVswkVvZvR6j2blQVr+MhCZPq83Ota xNB7QptPxJuNRZ49gtT6uQkyGI+2daXqkj/Mot5tKxNKtM1Vbr/3b+AEMA7qLz7QjhgGJcie qp4b0gELjY1Oe9dBAXMiDwARAQABiQI8BBgBCAAmFiEEcM/SHOJt5ePBD8hO5T0WKDGD1rMF Alg2+xACGwwFCQlmAYAACgkQ5T0WKDGD1rOYSw/+P6fYSZjTJDAl9XNfXRjRRyJSfaw6N1pA Ahuu0MIa3djFRuFCrAHUaaFZf5V2iW5xhGnrhDwE1Ksf7tlstSne/G0a+Ef7vhUyeTn6U/0m +/BrsCsBUXhqeNuraGUtaleatQijXfuemUwgB+mE3B0SobE601XLo6MYIhPh8MG32MKO5kOY hB5jzyor7WoN3ETVNQoGgMzPVWIRElwpcXr+yGoTLAOpG7nkAUBBj9n9TPpSdt/npfok9ZfL /Q+ranrxb2Cy4tvOPxeVfR58XveX85ICrW9VHPVq9sJf/a24bMm6+qEg1V/G7u/AM3fM8U2m tdrTqOrfxklZ7beppGKzC1/WLrcr072vrdiN0icyOHQlfWmaPv0pUnW3AwtiMYngT96BevfA qlwaymjPTvH+cTXScnbydfOQW8220JQwykUe+sHRZfAF5TS2YCkQvsyf7vIpSqo/ttDk4+xc Z/wsLiWTgKlih2QYULvW61XU+mWsK8+ZlYUrRMpkauN4CJ5yTpvp+Orcz5KixHQmc5tbkLWf x0n1QFc1xxJhbzN+r9djSGGN/5IBDfUqSANC8cWzHpWaHmSuU3JSAMB/N+yQjIad2ztTckZY pwT6oxng29LzZspTYUEzMz3wK2jQHw+U66qBFk8whA7B2uAU1QdGyPgahLYSOa4XAEGb6wbI FEE= Message-ID: Date: Thu, 11 Jul 2019 11:33:30 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US X-Provags-ID: V03:K1:vF7Ayn7m0WSIGgJ8Iz9/UhW4AwGPyUxCenUfU3dLIOT0/YlM2tW TfiTE33m7hhXEzvlTZjY+0WbZCPqk2LVjXiX8ZvhzrOReIBnAAHee9bmNwL823cApnuMiis 5suxy/KPx4ULhHsul/FMH6/QRTp9A8zmLPOXBEBRW3gcERlnf3lwVjVfRtShRvv7k/l8kZk MNe4pFPkBA7oyeq61s6vw== X-UI-Out-Filterresults: notjunk:1;V03:K0:CKzj7shNjl0=:ik0J8kqkgDqG/J3jlfZIgV +DymDWKBDTwr4BlrQQ3jYCmOYQsx4dN9HZBuAXWbaCkroRiepiNB+/AQu264uYs2hAQNPwhSf 0RfIa5YzUzhppN/OhuwFPL/1ezyFc0JnF1xSa1ezp0Oy/4k/4y5FEczxdHL+uVFpjgzrGBIGW gxhvcV4+OGF2svvnFl5ZJKRetHfJ0ObAAFTUjF7m0IQDDbL0NrgFWbU/QWe4VmNlrBwJOhsg9 nmGSca7QZITK5/K191rI6KLYwijy0e8vezEEOlxXhYqA5bn4jgwlk2V0TPm3QrMZRzcw41RXc CrTyybBWctNLDRINNQE4GemryLPzB4zqnBFyEbuRlmqp1AVQn7U0CjL85Hf6XWzGflW4gk2Ww su0/erP3NfY1slyp+kNlXfPUYhrwb2zr/QIqsBXCSoGcadu3sYTEM+dUBUibtuw/s7dVo06s7 EEZft3bm99ZWRwwAqOuVtWuvDSG7kewNGkud3aC+clYD5zXSQ3fWK5kSrg3NEwtWIvZwTos5e qXGinA4IetcSVdb9FVLZXXwIU6GatEhkr8EgWtt6MK3eUw4ctao2J/zObZISbURwh+9TWpCp0 xo3uuTIWJM+9/lyv4NQUikRKgKuzfXthRrmlKkPubJBYdkuhk7l/GjV9liIqM87jrufSjSLOQ weXCvZQ8jBPYN5T56+3yRE2zy7gqhT8jqObX6v907lwWfi2uTFzuCl1JE2+Vo9bwhb7vX2dZK TW9sjgMnhAD6wKf21CDPv6QvlpdqYd6KEX28v4brYVafJNdN5aQ92vsvQ/HtL2VsoCQEn5GNU fDV1alc4m67crVqRtO8H209OfoY0YImHrBhs6PxeyJColvOIRpw5y7LZTQ19EPMw/hKoseXNY dOBHuYKOJH3UIlc4wVt961g1yKDoSkoCISlXTMC6fSBQhzvq7NjShBkTbf9cZaNa5wauj2c8p /o/D5CcClilZsuA92J2FgvjILErCMtHLxIMnOi3Atee4FYAvRj0uPMptnApyq8OHvkKR6g2z2 HJCu80cCQhR1wzQQ/iydeRz091QrH6dCv0CcKWMwP8TiOov04tHWoPflxpqiJa9Mqlu0r3L+G RoMvQirUhdrHzsl/6CELsgyjXEWuLYM2tQq Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org > In my experience, when you start looking at these of_node_put things, > all sorts of strange things appear... How much will this situation influence the achievement of further improvements also for your software? Regards, Markus