linux-kernel - [BUG] intel_th: pci: Found a bug in intel_th_pci

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Message-ID: <CAMhUBjmeiyScQm-SOq2MJ=0TRXV0gjyLk_qWc95yjCk3NUNRFQ@mail.gmail.com>
Date:   Fri, 20 May 2022 22:31:22 +0800
From:   Zheyu Ma <zheyuma97@...il.com>
To:     alexander.shishkin@...ux.intel.com
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [BUG] intel_th: pci: Found a bug in intel_th_pci_remove()

Hello,

I found a bug when removing the module, the following log can reveal it:

[   14.739939] sysfs group 'power' not found for kobject '0-dcih'
[   14.740243] WARNING: CPU: 0 PID: 297 at fs/sysfs/group.c:280
sysfs_remove_group+0x9f/0x220
[   14.742469] RIP: 0010:sysfs_remove_group+0x9f/0x220
[   14.746649] Call Trace:
[   14.746778]  <TASK>
[   14.746888]  device_del+0x296/0xe50
[   14.747227]  intel_th_free+0x110/0x3f0
[   14.747418]  intel_th_pci_remove+0x38/0x50 [intel_th_pci]
[   14.747685]  pci_device_remove+0x92/0x24

Thanks,
Zheyu Ma