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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 7BBC1C282CE for ; Mon, 8 Apr 2019 09:13:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3F31420883 for ; Mon, 8 Apr 2019 09:13:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="ELMWO/KM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726558AbfDHJNR (ORCPT ); Mon, 8 Apr 2019 05:13:17 -0400 Received: from mout.web.de ([212.227.17.12]:58973 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725983AbfDHJNR (ORCPT ); Mon, 8 Apr 2019 05:13:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1554714786; bh=sUwzrD7RZuTDwuXZNC+f8mmMbFOnqzcSuIsH5KOjO38=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=ELMWO/KMzimqI7jTAaaT4o+87XXcxdVAXnl61hn5RsbfV6uVuMpH4O0FPvokRnanE mA+Ya1GV+LhbM0FJpUR8tANelNTyoV5q6OXJNwyxfyewQ7aUASH8Sfwxbapdk4xdcC 2IL/ED1KDc5VkilZ9j4YnGUgN+Kxj6s4rd2snw3A= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([93.132.184.114]) by smtp.web.de (mrweb102 [213.165.67.124]) with ESMTPSA (Nemesis) id 0LwqFo-1gpSOo3544-016Mgd; Mon, 08 Apr 2019 11:13:06 +0200 Subject: Re: [PATCH v2] drm/meson: fix possible object reference leak To: Wen Yang , dri-devel@lists.freedesktop.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Daniel Vetter , David Airlie , Kevin Hilman , Neil Armstrong , Yi Wang References: <1554692313-28882-1-git-send-email-wen.yang99@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: <50c3039d-ff5a-2136-863d-fcecce5bdc7f@web.de> Date: Mon, 8 Apr 2019 11:13:04 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <1554692313-28882-1-git-send-email-wen.yang99@zte.com.cn> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:8TgCJjTHZ1CL0wHUt4lh/P2bJ9UTOGjrdJO6GHN0M8bB+gBwO28 A7KzOzOUoJtSZRK9ENGMQ6xesqexX4pMLga/0lSid2UWYknWq0s4tKrifc/UKn/LP0KkkUs 2e61dr1+jxWsAMP8A5tvGlPpXOr7jjPNStqfFLSWlQxNP33Q8Wtv2WTY0yrTv+gF/twJPAW 4WhT6lB+cqD8G0XOwYNhw== X-UI-Out-Filterresults: notjunk:1;V03:K0:iKhVYz+Ugzc=:NOmOqiT7mDSf8hTiEsjLW1 Ho/4y7WRQFGfH5sbPtoIt8fOZkbg+PFN6RsxKKcEdthLgVNYRwYzFV25ZQb7mM+Z48Hi9bqIg igDXz8F2oWGk8BXUz2bGI8ADnY826SnweLfL7/a+yV/9uRIP0L4AKiOPnGtUMEl3nfXP0p8rC 6PwqVirecaK8wlpKnhEF4ON+SDUUtLIbwhL1/dolKZOFTavpFR4Kk46zmEIgeU9rDNJnvjF0Z dEOwOG0U5rVbtlyfsPd78C4eVLfjMY3HJ3k9tEI38dud8ksI+UiN1RDV8zQaKsyT+Fhn7bogY IgHV6yI6fMdlKZ66olSI9aliw99hp+2GYSZgbZhzg4J2q1WWaVC3g7/z5wqpYk4j+IHl1mkUe BZ9RcmrNUjIO+Zrqnuv0fiPsAnqlnxAzfJqCwY+2l1wi2gQCOYh42jv9ZlHzDHIKGFLKLU//p VQBKyGUI9odH5JhqNximOxgzgzkPWFNHGxOfam/DvWK+mUCZo3WXpYlbvtMElPIiehzpY89ur RDE11OkF8WPcoumeWY8VhbfcGpxHXk/sL3fsM71bsJMpfyIttI6vAN1Ca6uyTA1EcSkZL2d+8 uSjrZ/RaoNb5tEOewACEWuYkdC7zvopRRXDqnpr+wuQvr32deEjZu9pQ2/fwQEfbP1Shx0GTo vV51BbLQesP4UDI9YKfJUFQKgWMqqIoipRoRvRho83rEL3K6rAUlwNrPymo56Pd0KHgWOmKxu QnULJzIxOsN0juorx4ZdbSyh4CbmVRMuB0gS4FXdZG/D32SiGGcDf8VOon1CYvf0sOYTaOtHN nmn3nYWr3ARIX52Lyvi0a2mldu5NrRTZ+yuoHJ954CXR9V8WPchr9bzY7VBWatszJ08feoscL qqiKaBy9UCD5BA8gwcJcU6DdzN4y9aawaP8Chcy7ZpjZ48OBlG0iRfyaUuvapXWkEvJkZaaU6 6HLi0J+MdIw== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > v2->v1: convert a if statement into a ternary statement. Would you like to omit the arrow in such version information? > @@ -720,15 +720,10 @@ static bool meson_hdmi_connector_is_available(stru= ct device *dev) > > /* If the endpoint node exists, consider it enabled */ > remote =3D of_graph_get_remote_port(ep); > - if (remote) { > - of_node_put(ep); > - return true; > - } > - > of_node_put(ep); > of_node_put(remote); Can a reordering of the passed variables be useful for such function calls= ? + of_node_put(remote); + of_node_put(ep); Regards, Markus