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From: John Thomson <git@johnthomson.fastmail.com.au>
To: Sergio Paracuellos <sergio.paracuellos@gmail.com>, =?utf-8?b?QXLEsW4=?=
=?utf-8?b?w6cgw5xOQUw=?= <arinc.unal@arinc9.com>,
John Crispin <john@phrozen.org>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [RFC PATCH 0/3] mips: ralink: mt7621: fix too-early kzalloc
Date: Thu, 3 Nov 2022 15:05:35 +1000
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mips: ralink: mt7621: fix too-early kzalloc
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Message
John Thomson
Nov. 3, 2022, 5:05 a.m. UTC
ralink mt7621 attempts to use kzalloc before normal memory management is available. Before v6.1-rc1, mt7621.c soc_dev_init silently failed to kzalloc and returned in soc_dev_init, but continued to boot without the soc device registered. After, kernel crashes before it outputs any console messages This was bisected to an mm/slub change (detailed in patch 3) RFC due to - probably a (much) better way to do this - do not have mt7621 device with PCIe to test drivers/phy/ralink/phy-mt7621-pci.c - should this reference a commit as Fixes?