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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C9C8CCCFA18 for ; Sat, 8 Nov 2025 14:30:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AEA608E0006; Sat, 8 Nov 2025 09:30:42 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id AC21D8E0003; Sat, 8 Nov 2025 09:30:42 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9D7D98E0006; Sat, 8 Nov 2025 09:30:42 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 873B68E0003 for ; Sat, 8 Nov 2025 09:30:42 -0500 (EST) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 37585BB397 for ; Sat, 8 Nov 2025 14:30:42 +0000 (UTC) X-FDA: 84087675924.05.1134DD6 Received: from mout.web.de (mout.web.de [212.227.15.3]) by imf20.hostedemail.com (Postfix) with ESMTP id 121471C0005 for ; Sat, 8 Nov 2025 14:30:39 +0000 (UTC) Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=web.de header.s=s29768273 header.b=L1AYuXN5; spf=pass (imf20.hostedemail.com: domain of Markus.Elfring@web.de designates 212.227.15.3 as permitted sender) smtp.mailfrom=Markus.Elfring@web.de; dmarc=pass (policy=quarantine) header.from=web.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1762612240; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=6IPtUJbJzE8XpnfYFuMq59jzeHUiSCdVZaEmuNd5LUQ=; b=2UQ1JTvmQ4OrjHuuivtpwp8G7OaEKOk1yNiysSHwa04Jsh66XJ1RnnCPUFacacdA/ChqZy zWkoCYf5dtw7FUJdkymxxDnYCw33DZIo83w1VLvLPeQVFg5ilxEnFUFz32Q17SHKowlPfm wGkR2nuHjhA4vCycw1ShSfuvbejmfEA= ARC-Authentication-Results: i=1; imf20.hostedemail.com; dkim=pass header.d=web.de header.s=s29768273 header.b=L1AYuXN5; spf=pass (imf20.hostedemail.com: domain of Markus.Elfring@web.de designates 212.227.15.3 as permitted sender) smtp.mailfrom=Markus.Elfring@web.de; dmarc=pass (policy=quarantine) header.from=web.de ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1762612240; a=rsa-sha256; cv=none; b=cyUF3LEe2KreFGIvGobA3TaIiBP0K91EmVipriHunGejfxv8gSQN/7ir8bQTdmiMFvsbe2 I7r2lVYPwtsKJgSLRB30ZV0DFY6vpMKIgZYvCCf+At71wlto2IeG1LrAS3z6sHNI/ricYq eHoEPmNve0IRIjps6UvlSxUzpvCpK4Q= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1762612238; x=1763217038; i=markus.elfring@web.de; bh=6IPtUJbJzE8XpnfYFuMq59jzeHUiSCdVZaEmuNd5LUQ=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:To:Cc:References: Subject:From:In-Reply-To:Content-Type:Content-Transfer-Encoding: cc:content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=L1AYuXN5ce51+Wz4mZqZNHbJYroDA6wauSmjN9GBxRvRwGvIhIoqV2KsRGebvqF8 yzDrl1z3TG9uib7jDG5btUPCgd43PfB1gdrc1FSkvNYt1mccpenpECST9f9+TiwI4 Oy0YLcwUmT8pk2Y9fbUpzPyEplqbdxVututpJZsnOZPzm9dl2mh4CIkJ7LCNfbU4D onj0pKE8OguOiLH02xBh3ETY1Od0wsMnhcfEAuAiwXP6puE/n2CpqHmwJr0eIRJbc fcTwS2yyXa3D0eJy5RzLwmks/iurwQC/NT21vEdEsTMkRwjJVaRq0uBM3YR3GuWXP Kf1V2LbWabYKC4vPsA== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.29] ([94.31.92.239]) by smtp.web.de (mrweb005 [213.165.67.108]) with ESMTPSA (Nemesis) id 1MQ8Wa-1vdeZC1GTI-00W2wX; Sat, 08 Nov 2025 15:30:38 +0100 Message-ID: <630f7b97-323e-47a7-b4af-50978d4f1a71@web.de> Date: Sat, 8 Nov 2025 15:30:33 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: make24@iscas.ac.cn, linux-mm@kvack.org Cc: stable@vger.kernel.org, LKML , Andrew Morton , Jason Gunthorpe , John Hubbard , Leon Romanovsky , =?UTF-8?Q?Mika_Penttil=C3=A4?= References: <20251108115346.6368-1-make24@iscas.ac.cn> Subject: Re: [PATCH] mm/hmm/test: Fix error handling in dmirror_device_init Content-Language: en-GB, de-DE From: Markus Elfring In-Reply-To: <20251108115346.6368-1-make24@iscas.ac.cn> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:44v14SBETpli/qm8/ELghyCqY1BCMYr2ao9UnqZP2YiLmNtQi5c DOD3rpUedMBIrBvSDIGU107XXiZbUoV1+VD3HYAYTHMMQkWn2FYvFZyNJExowwjx/LxjSnQ v1ZntpVIMNf2u+vGfCSFz4gadnJMyPAkHwCgsSnfJ1w/8JAi2JUQHmIVuMz3+s7kPJLDdfm o7jX7xmOMnFuGH5JdAN7A== UI-OutboundReport: notjunk:1;M01:P0:G7udir24tHk=;kI/+8dh1hYDJAuejmxm0c+zsN8D M43L00tsXDkMnHJUDWyNjnfgLqAGEVkFOkfseKcCzVZiBheoZNosWHcd9wiZNE6w1AaTtUxN7 fnSd0j/oVlevm+Y+5quJje7n165Zz47hY7VqitAQDY0T4g1BqFJ/+RswlAzk6QIB6tzy9Vnju dqqFOGDHjI0uAsrPZINfQgADuY+29pkHqv/Fan1XSinr5iORslf6zD+YoWQHVhhayXXVGszhh iusqs6wMVWyzPWhpyjYg1CN54YWBl4K16fsyQqj9oPAPDOl5Vle6UE/7hBxWDKai3iZnaeUoX +FpkfHXSRiC3dvJQw9EaWYFi+EphbXhzHW86qiXGWCSognFpFkIIUiN5KHPR+kadNiW8aEIYh 62KWb7HXbOCk6QjkvcojiZcY0btYro2IuA2rpfxkpL6PehbFxuVKiiXSUOHzYk3tAYknXqq2t /72KMJCmIHCjmW0TK2j884AOwtgbDiQMNFbFJyZVgqCywHvdS5Ok3zg/cacMEEp0I0VIVKR8N 2YF4XfDgmn/S6EI6uRjQMLPOsMfkV4A/Hymoec3pVx8CeTvoWN78hc0/lpSGbadQtRDx0S3Jq kA1yHgwJSvWVIjDPCXuhpPw59A4CdEktzHp0cGIgkyEkx+hoJmnZcuG/Yi4pb+n8jykFGeEu2 k/y/iQYMWCGK2ArSI2d27LNAAKNtHrxYJHyHkLc0tlJ//ayPZBsICfI5FYFQxeYU0PjuI6tVi qqE+/yY4PSBTkUG4Yd+ALXvCuAdM4eA8TSD4Tc5aG2cn947xo5oxTTJdd0jfgQb1EZ6D34Hkj a57NtQbagowXvop/TOEWKO0febx+DUVW7kS9j+lLsOFuhctlxN5B92yZXCajrh70fAuKOjTyW 6KYMcYJCHXXAEQ3QIgt59liwrah78tdWcucr/iB1NCDsOj2qQCnQ9rayKAvjdHacbrl1VFE0v kCh/SvyZuDeBxF/bfzHrs1df4ft5/4L7MBtcp2EfTOLGC+yyxuc+A0BErEjapTg3yMd1iXclR 5kiMIqtmZlootOA79ero8GVtUKXM6kxpJkMAHPiBXgp/QHAKiTZTCaNSVl2LCwqsCSCKBWboB ccu/yy+blR674TjCU3IGRpEPhmaB+T1ncB6A7rb/57O+QFkEBYCxokk/9umhqBlESiW9RM9nl MbAlKFRSATLRKJzbgdnEBt9PTOKp+kdQo4ooU1GUmcDJJP7P6aRnXVBCUPzW91wcUfEmc4onu uHv2Ib+G52M2TKY21zLhA1oKGFjR7pPTWEHhsfTukut7/G7naCQ3uvTt9rZl+D58EyzI5QuEG mUWRnool4Vl+k3up/tdB1y/mgpayQyUOm0/AtQr8qshfNKClgsB+T53lMTfbtIWuNbAk+dKH5 REPY9hboR+EodtE3jlViwW17r+5aVsTGSby4iMigkitMLN7Xwot8tS36I46SDbxdvmkMtjzfb klDTcmWuZN3WJGmXZj4fQwwCiH3ypjSIeEmOZAmuCIp17jw3BaJHMKFr4g1/OfhwOzmi6cI0R m1BP1tHyftLPV6cpndpGwJgcQljGAzeAMmW/Eob4s73rjavlFIfKKo1hmb6+9tQWTkjxc2C/+ LCgzXl4Uo18OX8FVjl/15hxdfyfN1GGqe99AX/T10ww7YSEkhuFb+YtXPIxOt3NnbQ1ygMaRF jbxHH0mP0ZkAwrjKoQt+lfi1LI6C+L0u1FuIa4+UhbmhRg4Gfg/06P5ngb+xOrL9OID+aisTA 1BpDH9+BJQRHEgY3Sj3gzxSvKBC+gIQCqP7534AM19J7FIkdROQxyEuq+thBOUfkhPrFOL1wA KKapClnEKSu4Bl018lEhirKb+nas2ENm2QWxNgRv9rr9yhIrK0RC8jDsQN6XiwskKg9tpcVy8 I9kobwrtTkdLbcB0C8hDZJ38qkYlNhUr14cVDsMaASc3taztqQsiHS1nc2MLTxlFg+iFRSVhS dRTjCPSx35MUijdtv8XMxPkuh63MPRR5Y4RoKBxmnQM1NOA/SNa69Nk6CYYjmtfb7qrZ6ekik 61LLW9Z5M1MneJ/IYYPbVJQ5uCvupVneD9BNM90y+uhggNvElHX6ybP5dZazz3lTAJ4vb3QYS Y7gdUEscXZdE+ejkJ8h5NsKAk6kqV1xFqwuGmyQv7mm3aJu1f2U1wzLvVzZsSYJBWdqzOBx15 +mk4flXeOB5ZFeJuRttD01Ksuo+a4nJ5JlmdhZJbI9xKo7aLTIo2PaqNHx3oXnI/7cA6J6YXF 2AcgkuMRJf/xg3+2J3oS7a+Zy8K+0Pi8q9fApDma/7eLJI8igGn4Z2st522p2SpMcRfv+Lswz JaDz47NNu/joaGXhZACYTLzn2HSx2SDXGmYKpFfKDcVhRIRe80EN3DLGKs5ErEpTcVNTQ7h4n LBHvSuq9n7s8igicjVwmNbMTzGpJM9oWaJ012UBc7E/WCSc/UV592WwTQ4CVA2I7Xh3HYdSye zdG99YR6gWWMLP6n0ud4OnFFxX3drXYqR2L0V9ZDZ/FfUSnp4+vBr8A/A/1sTpsK3AfjqEfwE LMlp0gqQoJstAjfHCuGFWqZ1sECYNQ5undVm0XwU1n3DFicxECH/KMsOFUfGJIMdAexlLRy8l 2kTDBoDUe77hTYz/3S6qiOl8wYl2ceg/idwo4tXrsTFwm44qVOQnApQ0u4btc5hw5sCypo1YV SUGzU8ao3xeeQ9+SD+m7FuAEwkLIHErk5K3GsSfQDfns4hFb9ECj6aDlJhlQHtgpu67H4OPUX dqwycUqbpiDxwE0/c6loYKJeYLq4AxrC9jExnZdsrxlMwYwAYvepkXuSd7LEx7rEC75KxF+xr 09ZrqVeqgOcEWZYawGfnXLEAw9qJh1ZLXVoBze/BN4CUE4CAePXgSvHYpqDrVVLukn8jJZodW MuOjZCZLXbWK2CXLSefj7CfbfLGbJ6kIrRlPAenky+w0Qw6LHv7EFPtV9x+Eo27PJtKQgsO0N /cHKqcQyGfLPDOoGX3aIw2+Yhy1e+EYtWRsaqvhwynoPbnelN2RVp9DUZUX8bBpt0qoigOE+k 7ATGrwycYSSR0LdrMrf7FO8zUY0pftX5tR9IqE5wC+LlFu4linS+7TVlBOSrLyeKGsVFUU1/T jMM9Lpa4dsrJFb4Zo70MlZX/z5IsLrFojI6gbw4N/3xB9i4VSaclCebCN4To5hIsBTEE3ISsD 52BfJB+++CSiQiPv/1drHxtkJ/4ndi88qGHKlXEiln3Yc/F86KAwdQss0semCxP7yHx+M05lS svqCuzU0Y14FtMdTTEuV9kbP9RrTRopt+BEEU+NrUH6hwXyyrBpmKMJz6u9PkbdkfkHwYDH/t T8M7jbPV2JJTgBwCckqJxBkF8JFwYlvS1lwf+UMOo2pRaMYaqxRNzr3KMMdAccOTyWuXMsR24 0i3B9h5N8pSbDcNbLKpTZ9Q9ymM6HTanfarZPV5KG0EzjZakPFkr4JCwLtcYr3mQ0sehk5rEZ m/g5J+CD7ukQpBd7fNS42zanl+jYy/nHDgbUhgGDHE4a2iFORUU6jpj1rPGK63lJuBg8Vw5ev HJ7Xr99SEb79h0/aYzPL5cIHDJdgc9zbKM+ZunSTdgjBgQdFnNxavv+8OT1ouyL6sZcY5dB3h m5E8rH+9WSqGqAb+emDIBDc6t7Opbk4kHQswIsnjv+of9D/q1M/yR933xiONHVFuAjLtu8SNw iA/7RvEY8RCAvEWdxPY8c7w5gqOOO11damz7McKHS0Zl1VRDvG7J37kKK2YvwmFjl7NE+IssU i2U8x76SVHyxhf5Mh8Q5QDoEHC6El7bM934a3K71bGJDfd0t9aeZc+XMylqnfFVj0VFyPA3Fp GZTPmm+CYASXL5+o65vZvPhUM9F7a2UdnODbbzG5ONFLN2xpTtVzk8RIOIgzvVD8yGgk+5vOn idUy4m5mT7yx4v+b/GUUgSz1jURAE1aQqvsKTR6U3flLSC1g3YFop237f1bKU8tmya886BYDp nYQHVUI9KHYnZ87uVvx6FeclAfimBXwNjkdmaNmZ+5un6pASNJbWec+PD8yGz5czrxhPOBHzs PSu/meBofYT6JzKQM7bM842hUkAvaZdm1kHhXcUnNC1lP1uwn3nj0PnLOFb9CpETOSIf/yQ+v 5usBuS2S0YshGhrEDfquAfgkbY93zN5/eJCNEoTyU+Sz0YyC3NwK0saqHedqN1I+hJLfg46Mt BPCShyr06b8bvSPxcTvD1Vp5ZcuDbVXHMt24BPaIK+JoNKRCUVu5ghXE+UAWe1Gs+MQYduOUP AiSZyLXBnshAFCWcnlsy3HktxreGkvyYxDrskK5JQgK4Q+IDsI4e4yodOrjdDda0uHnZaIxtl 2tjGMuanq0nkbRUHT2KK3Cdx87LBIOkxHJ9oRPMQgnILaMVKOQ6qk9SQiuLlnL+FOG3BWsSAr HEuDXrFWLaH4NtkKBcoPTKNtV+dx/ernsnBSO26upnPsm50ityCCqBSDPG8TnPmIwQie/NuHi WPBK9buY10wA3K1N1O3AIM7SULAXTSW4KZMpvj0hjrfjCVO5HMjiIfMZQarB7mNKLc35KjbVG IwMQeZxGJjcAzW0RhJ1xfjYnPAgbPAlZVXCcPwDFWnOBwBBGuDaIPwJHE91fG5LfOVUeavwxo pSlOaJkCOUAZKDd97M5rrPBugpvcGp3F7Clli7b6oSeJgYRuOI5FyeOD9ArPw54kgtauGyqEV 4twDVep7RhO4zw524BuQ6QJYtDqOX6ycTAkXy/9htbtGhKAHQ8Tl0LARNH2e3kGkOwqzJXelF Gz/8CRgF2aocbgmvVUzx0jBUlSL8bquLcEQa7gDURVrIVTYo5BFTSZjkHDytRq4dxzGvGDs6I R0fFo0K/RVwLrYbBwz8HTUAcxHzWwSGbsRMmE9qXB439K1CV3VM9NzOCk5LeJSanadwGgAxvM iO4dQ372ALn3fP/QLv5ohdGJ5MyDZYvyH/BDPfevoE1zyG0g4zW9C9C7+VCl/4refHknvxlyx rNqxRlCxzcVfeYKN/xCYMVGTBArzKFKT8KnW9ORmDcQajLznLDXL5PuZxirULIVtq6cQgyVld eRl3A== X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 121471C0005 X-Stat-Signature: 46awczbnf5cm1xtndy7uchu6ddxartw1 X-Rspam-User: X-HE-Tag: 1762612239-113682 X-HE-Meta: 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 C3+peL0s ltVI3798b4Z+wfr+0dBfojSFPQFCGJMXJ1SfJj4o3fCk11NP0iuKGQf5dJ3Mcn1jQcZRlAvXIRYyPUm6EXMAZuJOuIEGLHuyLoxLy74XoxuqdSYv+aXQCJSiGn8zUwnt69mevM6bAvPX9TI1EBAI68effv+HCPw8onVgjivIBdHGuKi+skX5mDqxk7HLd/8ynqyzD/5vwc79rPijXtMEYH5+84a4D7MfZAZgaX2Q73nHfygeEWYoGV+zuUUoWQXmKpjq8QwBmyMXy22HbPuenSPxLegaI1Gq+9yVylMf86KZhDaCo9oPj00QkRgxYWNZFFN6C+mKG3r0KddsgJsKXtSDbVEXKdFEfYQaN8CTT+ZB9IClelQUVMuUGmRVSJgkr9EdDeKjGczT09jEJfo6z8fwUph5dqNXHgCHIpzqUbakcib4= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: =E2=80=A6 > dmirror_device_remove() lacks the final put_device() call to properly > release the device reference. =E2=80=A6 See also once more: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Do= cumentation/process/submitting-patches.rst?h=3Dv6.18-rc4#n94 Regards, Markus