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[209.132.180.67]) by mx.google.com with ESMTP id h28si6250638edh.278.2019.10.11.07.13.57; Fri, 11 Oct 2019 07:14:21 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b=gLmqucHH; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728270AbfJKONr (ORCPT + 99 others); Fri, 11 Oct 2019 10:13:47 -0400 Received: from mout.web.de ([212.227.17.12]:60281 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728068AbfJKONr (ORCPT ); Fri, 11 Oct 2019 10:13:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1570803205; bh=rlRCiCZokfD2wpo9d9Y2iZdR/neJVbCHqZ/ZCSX/1/g=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=gLmqucHHK8uOPyuixXvLSTYuiJfJIbnwcuiWbz8/H2RF6VbMBxulsIePyFOYl3XFW TC7qvmcGbadnak3wTtccWt6vCdWvtWVDS85LxP3c1DmPtI2bHc1GgvWdhtkpGc+vZb kADfvIRSo5offTdhCevpM28mivNCTtFaue348Jvw= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([2.244.164.92]) by smtp.web.de (mrweb101 [213.165.67.124]) with ESMTPSA (Nemesis) id 0LoYjO-1hqkb10Hgg-00gb29; Fri, 11 Oct 2019 16:13:25 +0200 Subject: Re: [v3] thunderbolt: Fix to check the return value of kmemdup To: Mika Westerberg , Aditya Pakki , Kangjie Lu , kernel-janitors@vger.kernel.org Cc: Andreas Noever , Michael Jamet , Yehezkel Bernat , linux-kernel@vger.kernel.org References: <20190325212523.11799-1-pakki001@umn.edu> <20191011133557.GF2819@lahna.fi.intel.com> 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: Date: Fri, 11 Oct 2019 16:13:22 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: <20191011133557.GF2819@lahna.fi.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:C8Tl5aj/yoYC0ydwJjJdNkHEimxh4k9hVG1Pz4cyz2+F0Z5zlQl qvTsB9CWwSXFeyZwmmEhUXvraBsaIBldhoeCyoIEzOk+cY8AC9qXY09S8icA5VFEKeNDLaK drpt03UXneHDQUODmOBV+CVWLZ9GJfppG5kwfok10SWZV/JdODhO2UemlGjDa0sS3S4EYx+ nhBBbQjNMT7SgYzona7lA== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:JRop/8wFmVw=:MzZq73HHa1PZGPS7Ufc+Zf NE55Kfpemmw7CWv+bNmkgWejMJytkzkLb5h21Z6LaDy/KMErxT73d0s6QUwcaVuk16I+z0y9v Y3QxJjgytgCikaVmat5fIyFRADzNp5aK8EnpsW+E44C06PdifybZj00EdDZoHWTFnJbATFYIB eLntwLOwMwGE/nJ9wNw6rMMiB8rL8rLRrW3/PolPLRh6PiI8EVFR6CAfhe9t+1XvfzjQ4gTs4 si3mikDbRa/ETewEgo6p3KaZSwklt8Kk/U+0lK3rCx0yU2bKKnnba5uUW3XCnD56EOIMuTUlQ HqMhhp3209G9qxbTDzm/BANAWaffKUQ6oPR/Hg5ZZl5Vk/0MDXiGvByRWrhwtzMyByvGEmVwB tszpNLW8iFNBRw5yc/PyMcKAPrVQDmL/ZD7gv1IIRhjXXM3DnAmDgI7Il1JUEu5OGAqgG0Rwh R5f2PZJ0diwMo08dHN1+b5GQ51Wpewq1du5cr9IFnQIHSj9Pjt0Knpsj2RlZwWmN2NvqzDr89 xq/A6l4+f5dMQp3F6nZf1QCCQ7jieOASxWKFBUiT0msMTqpy0UEChvxlQtvrYqDC4ew8TuHuv J+dYQPG0JEzkUQ3QxBFSIC2twapFgVmGOIdFma6gvrt6om9w57dywufsuABPeNqd05hjpQxwW nAQWkQ30+bukPo5ruRK1HYf96sJH6DtLlv2bF4/qayZV5VWo397j6402DVfi4UmAUPXMFh9/0 t0GQXJhinX+CuYl4twAwzCZPZuhCErFKU14o5AS3YWv5FT+mCWi0ulxkbVmEAWNA6chMyxdXd g+aXSMZcHuE8mamZFbG7mw0BGis5doCTv34fAk8OkHoWVlBBqkfkGnKKVuW6od/vnzRi4Z1xI uaKJRzvhEgEGSfVEhm6xrgcEjq77eKpw3nufCV1vQoS1Sc03BF0fyZn4IMboqeUhQR1QzBXSQ 2sU6Mx5uy9t3dveXVIjfKBVDPtwVSFV9PheOqTDK0AmwswQfHU9U6nlySUnIWveHYQBaOr3b7 B2aE6Ok5LENwBhbg4L01OIWiMU/mNVkvaPJKaZFEwSXnQTU0vWEKxJ3ydx+FJc0IDllWO9Rsl oU4X+2/K90jSU4oL/rc/tpmHJE5f0VhJt0q4+bq5cgIxO2EcoqLsV3FchxQKC/e3CPImE2Mll VgvgPRQbzm/Y2UYbPOZvAimnlKxDRhvVH32rakQHEjTpJo2t8TaG95ZkT4L/TGkhoPZr8glH6 t+vMjezn7YX5LRrhobOU0dXShUyorrG+ZG+ZG0WcVYye8cUiVdyUwHZBdzMI= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> This source code analysis approach points out that the implementation >> of the function =E2=80=9Cicm_handle_event=E2=80=9D contains still an un= checked call >> of the function =E2=80=9Ckmemdup=E2=80=9D. >> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree= /drivers/thunderbolt/icm.c?id=3D3cdb9446a117d5d63af823bde6fe6babc312e77b#n= 1627 >> https://elixir.bootlin.com/linux/v5.4-rc2/source/drivers/thunderbolt/ic= m.c#L1627 > > Right it misses that. Thanks for your quick feedback. > Feel free to send a patch fixing it ;-) Or I can do that myself. Would you like to reconsider also the addition of the function call =E2=80=9Ctb_sw_warn(sw, "cannot allocate memory for switch\n")=E2=80=9D? https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Do= cumentation/process/coding-style.rst?id=3D9e208aa06c2109b45eec6be049a8e470= 34748c20#n878 Regards, Markus