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h=X-UI-Sender-Class:To:Cc:Subject:From:Date; b=qE+RQnhOkvELQOVwt0R87oO63k2I5HVFNcVCJqG91B2d/FTgBPSxzBvA1vh89MjNH ltPdi6a/GDUuDXFiKnygHfilc9hKpSQC59AbYIqoQ9EmRY+l9fxbVKNmZIiWcxkXY7 5VycOcaH5NNA0hfZU1m5KS+QiN2wm5hWP/C+zI3c= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([93.133.132.31]) by smtp.web.de (mrweb106 [213.165.67.124]) with ESMTPSA (Nemesis) id 1N8Epu-1ktfbg2g9g-014GgF; Thu, 23 Jul 2020 21:51:24 +0200 To: Evgeny Novikov , Anton Vasilyev , ldv-project@linuxtesting.org, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Andy Gross , Bjorn Andersson , Mauro Carvalho Chehab , Todor Tomov Subject: Re: [PATCH] media: camss: fix memory leaks on error handling paths in probe 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: <64581990-1f68-131d-2e38-8d3e0b9cbd2a@web.de> Date: Thu, 23 Jul 2020 21:51:23 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:hUlzQCYTBYfEQU0QtWYdRVH6T8LJqYd3+6Q71w8fvzUXQPVNnEv nSmt93T/1F4vnnCxBY6dcxwJ97VVyA1nNCV9b9fhNwwV6LMQSnz8myrKXvRN/jBHgyie75V KvckrM5iVO/rj+UCwwxzUWZ9Pgobcjye9vbveleZBSr04b+KbejGwykLMVgqIBFjzOg7CEO Onf2KXEBZBLT2bwMRPsyw== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:iY6RXnc8I94=:8xLd/atHwhbPzSEsSTRBKJ u8iwPgRPJgB3bPZzEVMOKo3LqxFd6kk87Unj/VGg6wOZ3M6eI6cjg9oxTZffznNdFMnF7JEH1 xZl/YpSDUt9vdbrId7GelmFOUHQ53j7bp60OiuKn+jqooRF8ICuTWStpnFv5Tsuc9dX2MsKYu sg2/FBmKYstuQtca+KI3krl9/4ADwpxvGmBlZO1ywwQdPCF2QWjHYlyPxr83Ik6tACSMxkHi2 j7xiGmm0POxQ0sWuzx7AxgFms8Gea0cP8UyPJfaQVBhx2rOphmxy2tIUD6iHF+MfOJVVm3A7R zAKmbaWzd5+BjOEy10hTyJqIAEI5V5zNNuhwHMwCFhppstyDkew5BTLp1rKFv+eYSBoLhdsOp BKKT7PGphCMF/PyMhv8N1+5mNLsoPtu1yQKbV4WqHCG4+xQMJMHdNzU712RHilfQE2qcYhtKi zIcfUjeyMmYaxZsAmHJHVmf/ljqIHZ9h0X4ZpIea7GNATWtaqnjAVU6GeaCJsEOIiLUd8WPJN 6s7Smf0rgX+vk1HAcBPjNLsajlDuAz2iAJnp0cZZYEEuS38dWp33c8HlBRYOjT5Q0agBprIpm 9gcr+cA5chq3SVakrLVXHsk7eaLj1LqhzsblhZo+6h5NTlZwMbJqBOjFuDOWGwk1YyblCmSTd psIcTYq9xTLBwP2IBcPoZKj+7E4vQEZiGP9QFPfeJjip9z0grv+fO2m3s7zFWnR6gKxIgM77U Pt3FkpTVEuXd5YGLJHAB05lErEpIqFRLFW5b+oRU4sfx/zqZ+2jQjV8RN6TVlBIPDP5mVXU+z ClhkJU1lvBibBYSmZuMh+64sFqIr9BLh0gOofSYS2r0Nr2DwC/KE+ylkoltn2U2n9G/6xlQdr X4NUpq8g8S8w2HGjnlloQHqwxK5sO8jPuknEGFZB0Gq8YHzRj1wx3xdakTrjb0k4WkdP7g2Nm YQTIUkRWcewk/pAv/eelzieyhy4LwrgxPYE/FyTFn1qjdr1TNCoIiwf/4zNuwkiY+z9OFGV32 Fc18UFaw4Y0Fg4yM+XrXnogNszseWW2bBhMVcl9K6WnRIo/syoi4xA3SjzU7eiP85zUzLigke 4t1hpXCF0+MN7Sl5zWRuNrzN1IFJshWgbM2jJrA8Gy7huVm5vQPHJdMjzUsGTwQ47GqnIciyK c7rZJvJAkUMy2oSqWrpA2BkvAnCnrC1O/bQ9Ak/N5g9Skusm7Jc/oQw9tifPW86GJGIB4gFhj otyKfM0VHhKp740NG3/Ehbo6qN3xTaTqjC5T/sQ== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > camss_probe() does not free camss on error handling paths. The patch > introduces an additional error label for this purpose. * I suggest to use an imperative wording for the change description. * Would you like to use also a jump target like the following at the end of this function implementation? +e_nomem: + ret =3D -ENOMEM; + goto err_free; * Will the tag =E2=80=9CFixes=E2=80=9D become helpful for the commit messa= ge? > Besides, it > removes call of v4l2_async_notifier_cleanup() from > camss_of_parse_ports() since its caller, camss_probe(), cleans up all > its resources itself. I propose to offer such a change by a separate update step. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Do= cumentation/process/submitting-patches.rst?id=3Dd15be546031cf65a0fc34879be= ca02fd90fe7ac7#n138 Regards, Markus