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[23.128.96.18]) by mx.google.com with ESMTP id h13si3247792eji.459.2020.07.01.00.52.13; Wed, 01 Jul 2020 00:52:36 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b=LKtqTSVd; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728399AbgGAHty (ORCPT + 99 others); Wed, 1 Jul 2020 03:49:54 -0400 Received: from mout.web.de ([217.72.192.78]:41715 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728217AbgGAHtw (ORCPT ); Wed, 1 Jul 2020 03:49:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1593589771; bh=AUSAQHdZ185AAIFEsveQlxvM8o94B7vxd0p7U0M505g=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=LKtqTSVdcvio03D+QGvlFPp/E3FoXOd7dEgeeVAoI2FQ6IMZ4mdim6B8+qunKA1e+ SAiEyxd6m0q6q/I2vh7aaaAgJhHtSpuZ7KcUEG2S0IROGCT8k6/EOuwJzHZIr2DACP P4npAd4kYnTFiQre1NJh7TuzbXe2o8bZzNIvy7u8= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([78.49.41.17]) by smtp.web.de (mrweb105 [213.165.67.124]) with ESMTPSA (Nemesis) id 1MhFhg-1jDeJN20m2-00eK7j; Wed, 01 Jul 2020 09:49:31 +0200 Subject: Re: [PATCH v4 03/14] irqchip/csky-mpintc: Fix potential resource leaks To: Tiezhu Yang , Thomas Gleixner , Jason Cooper , Marc Zyngier , Guo Ren , linux-csky@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org References: <1593569786-11500-1-git-send-email-yangtiezhu@loongson.cn> <1593569786-11500-4-git-send-email-yangtiezhu@loongson.cn> From: Markus Elfring 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: <35eae701-e6b1-96af-9be4-0993330a17dc@web.de> Date: Wed, 1 Jul 2020 09:49:21 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <1593569786-11500-4-git-send-email-yangtiezhu@loongson.cn> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:VK0SXfyvpzWFdJ0AaSP9rc2ghNhPd5/O3GG2Z8MUfriTZ56VE/t Ed1/i+KNfFFuIBAlA5a81ablBx7x1pMOWZodjdOxyH3b5FeV8wMBvNYX24cQI/6T2UlBvfP +vWKpyouZfyt6eFl9Q5u6IMtPoFM/C7LuThfTZLzt1jR3CjT0Tf3MRIXUOvEMQFh7rBd5rD F6GBUR9nZWMwTminvvCeg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:Gl2/AEw5Jps=:7OhERpI8F6QKhPQ9B0kPwT HNCCSdiaS4x01s39GuQgJagg9a9pR5fe4SiGHB3I7Y8Pt0SND2dil5M0MGbGqlLqJAjOJMtsg 2mgJti2aXVEjAywRXK+WCXwm++Y2Q6mvuUdyt0a4gXahV10ND1wDqF8PSE17k5AIrmUw96LRz VsqCgFd8l1QrSl+oYsUXeujfFUdCJnXO9XPUkWBTw6QaMZialYRhTFduoPrdbXv8O/LfhrMzx Qvbjba8s+fOxISMH4Yz60kEF27SzkB7jyk7DbrVneSe1ipJvFjYBRd8Z2Qd595TImqOFWUXQl kVkCa1RmvZ3slfpiIp5mA7UQsLao5xrJHAeiqlf/Z4Sdoi6/alVf60iFLwzDix/TUbQIrFMtH SBsGO9X8urbTdCw01PVjM3s9XHdt3EPPBfpdbUSn9ESRTivrRzIEpLjtTmTtJ0asVNEZIBf5C TvUymg8CHUBN4XtDxODCqfABiFn2eQyzDK7aJUZ2qGrBjz4fxmpC8wzfbmifwOqaurY2x5bsz BN/4ZxK2FurWOAH35+c/wTh+BNJOh/FxAMHTjy/fkrbpTcVwHXmwJmBmApwej+ddFNd/GZ4zK kIm/aiQhcpI3uTC4oQiWLG4Oc6XfiAl4YsezelsHfsXOmOZpr0Rd7aSzOmX+zogAE9xipweEE ziB4OBPa/zerNEXdWW9JUm4VzidPBp6MmcXy9rk24ogSSFNWo+TORoCl3KoWU7WpAINy8NAk7 5auqdCWOK6PvM4fK2TS/m43nhn3CQ8ToZ/lykhUCw9l3+kZ0Mk2cnBGKVuq/xmlPV1/uhap7e k8uKyLu8sR6EzwpayKlNXFrV9GOWw4se1YsAJtEQo1czJ830PQLJC0cFPCyUaZtNyXjXKZds8 zycftJKLlH+JsQF2NEE2yl+1ub55D+DeYHAZuzWWBSW9oQSMVpSplQ01ztfiWD92XRXDH1M+W Z56C9n1xtNzAOwvaOlt2JpaRGd4VlkjFZsYiC+WbexlD33x0tjvxgpXI6HdDnMMVq2hYwGvsS 4jtr6tK4l3fMp/1sn716zABSEOi6jsD5TSSPZiw7XLy7aSJTNy7sXZt20vEDzFJbzH/mvfq5U m6HL0CudFGnjr4eSN0u/bztFFEhu7A79CiA/d7t2Ah4nI54AsRahFhYZbsl97JsYbOKP3lDlk N2sG60DKipDrb20WKtvoW2ND/3t4ilaXPZreB+th4plDD+7huQz8dsGaDGQA4idzU1l+ETdKz qPH+mM+TwbwgDb4Xj Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > exception handling. By the way, do some coding-style cleanups I propose to consider another bit of fine-tuning. =E2=80=A6 > +++ b/drivers/irqchip/irq-csky-mpintc.c =E2=80=A6 > @@ -270,12 +274,24 @@ csky_mpintc_init(struct device_node *node, struct = device_node *parent) > > #ifdef CONFIG_SMP > ipi_irq =3D irq_create_mapping(root_domain, IPI_IRQ); > - if (!ipi_irq) > - return -EIO; > + if (!ipi_irq) { > + ret =3D -EIO; > + goto err_domain_remove; How do you think about to use the following source code variant at this place? + irq_domain_remove(root_domain); + ret =3D -EIO; + goto err_iounmap; Would you like to avoid the repetition of the check =E2=80=9C#ifdef CONFIG= _SMP=E2=80=9D? Regards, Markus