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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E2FF5C98318 for ; Thu, 24 Sep 2026 16:21:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Date:Message-Id:From:Subject:Content-Transfer-Encoding:MIME-Version: Content-Type:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=t267H+Xjy70DfN6XTLGNuJg/rzEU4tIA4A29SQzOONw=; b=1CZVut7yS3ZUTnEljUMR70EIfN gvj8NAlkodoBU5JTA0kz0SwtXSF806wtC5kPpK2NVcQE52UhbBCdPgeZCsXRbPt6g47C+XHWLZZnK zhLv850/O9qNBJu0LKk5eZXnHLGgk3mBg2GxID0gr6+bIzy+DdIKKjTS5iWDPqHtE2hHfwKXwkejx CkgXUQUlPD6wznqSeFo+claYIaZvyoh9bBZxIeMu1aaHNkzUkPZoCd10Au4dqt6GUHtTFem348klz 4GxbyUTv+A5RVtr6g0uySo7whuXRtwMKLnbHFxoBNzy2tEfwBvFBdyPyiE5HeQpfQ81FWm7iSZGrb /I5f03uQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9mCF-0000000BaS1-2pOw; Thu, 24 Sep 2026 16:21:19 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9mCE-0000000BaRO-0EqW; Thu, 24 Sep 2026 16:21:18 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 68DFB601EF; Thu, 24 Sep 2026 16:21:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1F3C01F000FF; Thu, 24 Sep 2026 16:21:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790266877; bh=t267H+Xjy70DfN6XTLGNuJg/rzEU4tIA4A29SQzOONw=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=WlVAKJYUG2h2BEfgMlJvmLiLOXQULaKIAFv1ri2EAsxSqRkwzMrkypjDnGgKtaDdT 9eads90jWb6XOqr7Rt6VszN70xqoKPgdhLqs4EH7MV2J3ylXX1geSBfc/umwtqPfOs F10Z8t+TIkFACe5weI3TTYGU5kpeNH5vUbM9MEgOXYAZ98ixZ+pVBKWGlZm3pLkqlf CpOBNXHuPO84rKfj+nTuf5M0B0zfFfe9A4Q6ULM34yyelRjYXOWRypObeRoT0gVg91 KyMEzF9mpxC/D2G5CIqskRoeNAU5rI+r/4aGRDuB7sByBDileFaS3svttqPMcxRA8z ptS/ABXK6R8CA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 5692F3A566CE; Thu, 24 Sep 2026 16:20:07 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v2 0/2] net: dsa: mt7530: fix two crashes on driver unbind From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179026680615.1636687.12670916217033906178.git-patchwork-notify@kernel.org> Date: Thu, 24 Sep 2026 16:20:06 +0000 References: <20260918015020.2518315-1-f@lex.la> In-Reply-To: <20260918015020.2518315-1-f@lex.la> To: Aleksei Sviridkin Cc: netdev@vger.kernel.org, chester.a.unal@arinc9.com, daniel@makrotopia.org, andrew@lunn.ch, olteanv@gmail.com, gerg@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello: This series was applied to netdev/net.git (main) by Jakub Kicinski : On Fri, 18 Sep 2026 04:50:18 +0300 you wrote: > Unbinding the MT7530 driver from an MT7531 dereferences NULL in > regulator_disable(). On a Netcraze NC-1012 (MT7981B + MT7531, 6.18.44): > > # echo mdio-bus:1f > /sys/bus/mdio_bus/drivers/mt7530-mdio/unbind > > oopses there, and the build it was found on sets CONFIG_PANIC_ON_OOPS, so > the board goes down with it. Fix that and the same command gets as far as > mt7530_remove_common(), which disposes interrupt mappings the switch's own > regmap-irq chip still owns; the regmap-irq thread then faults in > handle_nested_irq() later in the same teardown. rmmod reaches both, since > mdio_module_driver() calls .remove on module exit. > > [...] Here is the summary with links: - [net,v2,1/2] net: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621 https://git.kernel.org/netdev/net/c/c2cdef41e0b4 - [net,v2,2/2] net: dsa: mt7530: leave the MDIO IRQ mappings to regmap-irq https://git.kernel.org/netdev/net/c/0d80ba0a204c You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html