From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.web.de (mout.web.de [212.227.15.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 42C2A311592; Tue, 2 Sep 2025 13:31:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.15.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756819870; cv=none; b=EDDCYVoclD3gS/OapUwelHRR3M9G6ZbKsWJUmDPI0QToQEUsMQfbqFSXB9ad/kO96924jaglLJPCcd7jSii7WpBLI+Skv0NvQ88dbSJ5S3hSYlhMDW2q69u3SMrkuqluTw3gj+na1ti+C3HqK2k4loDMz6z4Qwru8jYh345Z7Ng= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756819870; c=relaxed/simple; bh=wHopyso6SK9NeVUA6eEW3TVJb7lAiyEBz8kTpAsiGEA=; h=Message-ID:Date:MIME-Version:To:Cc:References:Subject:From: In-Reply-To:Content-Type; b=KiSEwAzsxf31fQDgQgtUJFf1LCqckeoEA5RDp0yNs552b+76zw1TtghIeSSDx+YIYlc6xSQ8L3MNTLp1ZHT3cQG8vGUgbypKnNix2+1BlcUTdTChVlwf0+prLxsEQqtOfDEuLfIcZpn9CKe6zWmfDJza0jaf1CCAQvj99501R/k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de; spf=pass smtp.mailfrom=web.de; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b=sI87RtFx; arc=none smtp.client-ip=212.227.15.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b="sI87RtFx" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1756819861; x=1757424661; i=markus.elfring@web.de; bh=wHopyso6SK9NeVUA6eEW3TVJb7lAiyEBz8kTpAsiGEA=; 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=sI87RtFx+h76BDzaJaOqY+n+xwoyv77bFUkWS8rBbQZHcREaqY2DW5O0LtFeVluu pE9vzntpYd6J3eWFSFbG/OYyD5WUn+NNrbboQL8xZK4AN+D+yZbAkOBXWKqNcYAaG Lm4a8sZcen0cirKKdXUnjLB9Inoyvih3pjnJ9zHOq/do163zvi8xkthYn+oIBX3u9 jyjG1nkPvXGQ8yLZ7yo5IuEXkSveV8ECkBQGTEoezn9IQ/Po7G8DGP3fqrAScqXTM Cq9STUUc12Q4SGpR4WY/ha173dcQPco+uMtCNiEKo3PU1aAvk3oqOkopZenUz+wdS XeUth850Bl2IZhltgw== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.29] ([94.31.69.184]) by smtp.web.de (mrweb005 [213.165.67.108]) with ESMTPSA (Nemesis) id 1N7gXO-1uNpf531CU-00vRdD; Tue, 02 Sep 2025 15:31:01 +0200 Message-ID: <197860cc-6658-4a5f-8325-0340470c1602@web.de> Date: Tue, 2 Sep 2025 15:30:59 +0200 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: =?UTF-8?B?5p6X5aaZ5YCp?= , dmaengine@vger.kernel.org Cc: stable@vger.kernel.org, LKML , Andy Shevchenko , =?UTF-8?Q?Ilpo_J=C3=A4rvinen?= , Miquel Raynal , Vinod Koul , Viresh Kumar References: Subject: Re: dmaengine: dw: dmamux: Fix device reference leak in rzn1_dmamux_route_allocate Content-Language: en-GB, de-DE From: Markus Elfring In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:sFM8PYhGtZ1LxyYw8asdTZEPRIWuYUZfts07TqaSXrs9A4Xvrlu MDtw8rU89wHK2H9rMhl/gYK5Ob/EpkC8ih34jjNWKNdghs6RXyI5aU0Z2Yf5AgLDDF/EvcO CRMYSAyWbX/ZC2APMPhDHQwOx/Efymgu2sUo9YVL7jPCRyDJ0mx63fZHUFxl3dPl4fUhV2r mSMKW4l/2srSYGhZg1QPg== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:HlFptODJQeg=;BR1x0A7B02lHVlF8I5WlKzhGXsE Q+049u8TskgaRzz1OLOcmP1TtefYMotDvfdT29xf+OJpoGVFPLmq/tcw2shu0dac1oKBwbYNB ECiVW7zEOeNm/OxFGnZ7b1L04l88l7zUrLVC5Fn8XH9AmKrE9ORW/3wLFfhIKWhzRxWDvi60r kckfYmBp2bBHkMczSJ0Wei8zuSb11hApUuaeS/etBd7jD73pSUN5FrxHt96GYSF4rrywNy1Ni m4cgYDpH7jRxifVnnlTeqQS3Z4CpUFpJdqlnLiCuYJBlfVUPstd3ihldQ04NYa5EbJdSRHm4v bvo1j4AmGbX5A5Q1tcqkJileYZ4tCf36DJyWXxi2WOuuX1QxOtVLN8h9e8+GufTV0CH73EdXq i+3rLM/Y9mIs3wT0CKSX8ZZhnatluqTN4+JenxzXGQDbTr6eHlyyUFCZChhbSHvaDmMF3P3rm xBygxqK6SV/UhjFwKUEvDw0Xk2KxOowmvn/4MPHqUFkzuRWJ7VxCGT04K+I2iGSR35CJyV0rm tTuEYZvpfmx1CEJtrfGNezD0aSGeUhGuD45c2532spTmrx9ihpiXcPvcNRuy2iYvb0qeFkbaQ xF0Ueudi1EaMuwd20Hn1F6r92maMKAI9XQS6G0k8QzCuSTOjnuKxbAK2axyUosIpzTBsHZCQZ C0CiVM2RUCDOUnc/GmTWWFavRLA8h8i/G8cAqqqQF80sQ7tG6CYQlT+xhvyvBhdnF1mX6jbUW gjQLmvNGVnkrqaZl/RzLam6RiiTpAT+SdsbFDbHVOwIizbtw/8MCaQTRK72Ani3SO051JZIto CmBvf9OLmtDc5ik/PeAtqCOyslaXUGBHpEJdwFcAB/851GLvubNY5AXfzF8MNhxp/hYwxOqdc HmTdzuZ1tij6ToZzQckooiFLVood3Fk9u40wWhvTYEgREeXmlVr6lGPJKg0aj9IghwEpjRmLj KnrAlM0yeeodV4mjoxb/WwJGBwQaCQDDX+dSMvTjCEaNQt940PSHElD0ZLeMw89vX/8h9XB4M w+dR6p3uQkgWzfHY2MebBN1JQinSsGdONmtnXbUTwRsZV0QzGBBiZmZSmTlXtc5RCOgZ7cJyk MposvqGfiFwMl+pWqXijv+2JObS1rNK1P2ZRoeLPomcI0DrSTSZjPMcv6WmhYo2lU7XW7tYoH +fcTOSvf0F1OLVerevE6Lwb1Ni8v/uHBqE2RxtAxiPqGqYnhDpcsiFHsDT1eNQsAj6bw548ma opo9TdAYVkoua9zI4QNrPLnENvPRTRbnhh6boEiLBiqhf+pHExX/TUxu3qEN8/khxx+hXAIsi YW+RxvD2E/DJLJqwB17jrNo91i/mUpFUvU8sd0LTTey4CHTGeKBvK9KPQo9gGGOYryu/6XzLM LBf4nTEzD72H7+YCTdQ5GyhE2eV2LpcqBydbVbFw9Ll2HbUj/xZgij8lPO0VIA+jgfUQptmUJ 5xooRHi97Pj481dtZ/YiAGCVsOF9b8Eq2OSbcoJdQqv/pcaeGLERJDcM24d3WMF8qUM0DXicZ hfYsW+sW6rbKk9VltC1rKUkyFonh/yoweLu12uHmnL7MDeWqG/y92sL8TPeCKkAnTzfATtob1 +KEyBsbUT0yF6N0i1rw/hAiQ9tejiWEiSAHVHduTIJgC7SSmIDN6VoFklKaj1lllTyEFwSYGI JUQS6SHwdAWPrcf/0CqS4TDRWpNrqLMor2ACmcGHVLkCdztyBaucZ624PVAOt4cBprVwfePAx N4t2kyYFwQA+WS+rRLfNpWYkcL794jXLijK6RTEnpUcswhPpS6MdRAN3/qtQDPH5qLSeG71y4 619QWLPrpCoH5hMzGKcNyYKHQGtBeWs/I/ViTQzYY+iDVd2K1WuAT+RCyP5siKpdBqHL4Hjtt NDpwhGoJMLaUfOn3TwJWanN/r8UGUVO8UEsVauOiMATFs8ha59v0jChW39QTiZAZtcQMigRB5 Br0naOCjoiD10IGagHD5T2trNESsdXHU+I9EBbom0dzZnWmDU9Nq9zCJINq7HnhOx5jGKNoup i7LG17d/LXdz2+G/1kbBLp8yNP/CmrdlLT9Vc6+IzrY3uUl2lT9aJE/VXSGcqe/Za9q90sswD eqxc8pYR7u5Y7PaF9xTkyMnJwP9edWQ6P4i1PXIh8oIZBIm5mNmwtG2zAxi9TRR7tfa49GHS8 IXfqxODSBGQB2kwwet4mURyWTaHdmqL6kdWMl1djhLG9MvVVUcz3ORjL35F65C4dLZWTYlKWB angZrHxdW4ogajHsBSt/kUPieYZ8+4EghJd8fTCxLc3flPwkqRh7VtJo1L3hu8igq4O2yEa0x 0h2B85As1qMkPj3kpzcYeTKILw/EsW8CueP+r+md/6qcdLqLY9AYhB9ZaS9bl6EI0bvr93X3v 6d59TZbZxArlz1jLzt87hBB1tkf6IyZC2ovVfXq2/mV/dD40d0U1EF5DLT8hC8/naYX0h9fnL QccYcsy2+hkvPIss9lmQw6l2OrWJC8yC5RfPepiMjpRekDMW31xdH8eZWZOZqfhDGDl+riaOE /6j/yDWQfUpnArmhN9kqTLOn7TINfqOgLkIN+XkDzODTSvFivAd9TJpj0ACY7+xsT4594djxQ HVu/kspq6+CZi4CkHOctZcBaZAV9JIZd8ow880HMv/in+E8UjMZbS7OvDxtlOUEg4tE08/mtK +CBV++lYTsXMwPfEEtd+UGAUMxWU5lL1Wm8d3GCGXYnKRcl2ivABiOxeBlophckrdm4unMUkC SKYzmy+WQj2uZBIy9mJbXu1zYiTvyTBLDSxzcTiKbzbmIXrygytc9VSgELDschUWry16W0naE Fazk+hD4TJFKPe4i12mQFpxGI1mNxSI+F7QfdebEvzzdaSLHgOWWdQfVrBJ2yEHFoRuv8EixV /aIJ8zNFq/C9PZKqCXalhej6uUDUBmckvdbwJ6ozwnXDXby2Ae/EQkx/MJRbPLEPn3Izz9RMx fYwUZLuSXc8SlBMohyglA64QNSCAx8tPcKSFBI4ZpaXOO/wBJw2FdLhUxKkmm7wZrQeDXW2ar k5PROyGc3HT7qfkOoclQNzHrSWtQ4+xIBxBOYdR0aFN1I3CuPl4KW4NaQtxRl44+pR/Y3nfZw yvo129vkFpT4pZZJQYgFHLyb77sfBSqqCDiq4iPyZ2P/9AE1CQ2I0EeIHfMHQAga5Hpc56M39 3kXyF7W58xzM+/NBsX8GoSGgeAmCQnNPiAhXkdFLF1/ppE5rO5aJalqXJkZBBfsB0n7b5Fy7F OTlp2q9LogpTWSwtie0i9dSNLz/2PrsvZc1NvyFuQ7cneKUwTCr2SJdR9RT7N7fCiEKtAR3Z6 kHNAfYprm+Q/fA6HHpQye/U39fPhPT5FNZK0NRCiGZXYScgZ6YuVmyLoylnzHDk/J81p8e0Cw HfopzmSHbvZK9QcqeyP9q/sZCWxX8p9VU0qIbbhwlCNmknPImdAsiPcTZnWRVmtW6VlHtG+xE q3RTjSNrpFb03itCsNepV4q8ib5mqIL1zgDB7flic8G7Pygu3bjSZMygE8+UFxICp5mxXu3EU zpvDAKd6o6FHw5sW5GCN2nlhJo35SPoWLhb2xvESe/JPS3renMj5E0xkaotSBHXzsx3zqeUMt xr954q3smNRzt6YJozT7Gt3Wl3kKm+Y1p9d531DIk2ExVMkXr8WyCFoBB7RavjIyAwgr0ETMf H25qrZH+xXWhvihBLMg7YNepbBXxlkRXAW1pXADOQ/kqXIm10oMhj01HxkQtks8JahEn+cIjs AIXAd3p5hx5XNI9Wg3fDBV4gACZuJmdGGD4ywyQ+ZrmeXlSDb6NZX69ZyPv1ZHCGaY32G9dR0 YEqbhBXv65wV+qiVERaqD81Wg2UpGge7TJmzjGQEsitmSsPJ87obnKyCBJJ2jCjT6mU+LfReu pQwQruErbZ62PcKgOwSLpstVpnTfzBzyl+KNZNB/ltOXyInlUlgqMHcOWmxne2Q//tQ8b7pFI s5Bpqm394Kq8F65swwA2JBzuz0/GKyF/g957gHQO5CaKk/w9aVHGEeuvtyOvnM4Y52pCXUD68 srUu9+ZhZszg+fqQVM75aeBtaew0vADvh4Avijm2+PRt6xX2r4a/ZLAqcAxJtw8xm8bfQWM8X hMOp0nkYQcuqw1Fbn9vATVakU5WVbh+hmcG40Gb27NXxdAiOTC50HbrOw5v7MBgiuQdHa5w+p Jzsk4dYDuFmxKvxNCrCDLgdQft9FCNux/fBO9jfsaG5gjwKCWwdBYTRlnelcgcK+7eN37L08B i1a5ZTDxMfFaABxTwA+b6DHtNy04s5x4/i9/nhH07sIr2KnXxryQ8c4Ij9l+Y+8w0shs6MPGP xEqvIcWMq4Mn4OcHLltopkmGbE3Gwf4qA8dIXCUnpzwo0AVkLxZ0l/Esgc5jawbXt91IbR62R kt8y+qqRC4WitRxfxdjtpsmgJCBGdBa/GKmlRQVNUydk5Sd+Vml6Yxnx17OixbOgI7on2rw/n RvBEZ14Fw1PcZtN9Zxpfco7SvYFHZvXZdkERWlGqvCdAm7hijxTNfKYAgYCjuBL3HQ0aWGRFH hlpm9aWICw1JecXBbHRC/jyhaRnDiHeI6PDjnSl7Fp1xmdU2HWDJo2rIRkWRrhoHERkkks0y2 nElj36+4As159dxINx9qEuzRBwpGtL2Hws97Bg3RiyeAjWXEf84P+7m8jmTqFoGieAYxfBZJ4 evOVoFgCxltDrKoq+jSpQY5rKGiFW/IH0nUHspk1NysVVt1mRLlgsBhigI1qIVoroC8GzTS7Q UyEpMBxsLjTuhnp6nfqxTfmszL+yI9ImMHaSj1CjA== > This was found through static code analysis. May you point the software tool name out? https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/researcher-guidelines.rst?h=v6.17-rc4#n5 Regards, Markus