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Subject: Re: [PATCH] Bluetooth: Fix crash when replugging CSR fake controllers
From:   patchwork-bot+bluetooth@kernel.org
Message-Id: <167001634032.19139.9607328902746890019.git-patchwork-notify@kernel.org>
Date:   Fri, 02 Dec 2022 21:25:40 +0000
References: <20221129205413.1537851-1-luiz.dentz@gmail.com>
In-Reply-To: <20221129205413.1537851-1-luiz.dentz@gmail.com>
To:     Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Cc:     linux-bluetooth@vger.kernel.org
Precedence: bulk

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:

On Tue, 29 Nov 2022 12:54:13 -0800 you wrote:
> From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
> 
> It seems fake CSR 5.0 clones can cause the suspend notifier to be
> registered twice causing the following kernel panic:
> 
> [   71.986122] Call Trace:
> [   71.986124]  <TASK>
> [   71.986125]  blocking_notifier_chain_register+0x33/0x60
> [   71.986130]  hci_register_dev+0x316/0x3d0 [bluetooth 99b5497ea3d09708fa1366c1dc03288bf3cca8da]
> [   71.986154]  btusb_probe+0x979/0xd85 [btusb e1e0605a4f4c01984a4b9c8ac58c3666ae287477]
> [   71.986159]  ? __pm_runtime_set_status+0x1a9/0x300
> [   71.986162]  ? ktime_get_mono_fast_ns+0x3e/0x90
> [   71.986167]  usb_probe_interface+0xe3/0x2b0
> [   71.986171]  really_probe+0xdb/0x380
> [   71.986174]  ? pm_runtime_barrier+0x54/0x90
> [   71.986177]  __driver_probe_device+0x78/0x170
> [   71.986180]  driver_probe_device+0x1f/0x90
> [   71.986183]  __device_attach_driver+0x89/0x110
> [   71.986186]  ? driver_allows_async_probing+0x70/0x70
> [   71.986189]  bus_for_each_drv+0x8c/0xe0
> [   71.986192]  __device_attach+0xb2/0x1e0
> [   71.986195]  bus_probe_device+0x92/0xb0
> [   71.986198]  device_add+0x422/0x9a0
> [   71.986201]  ? sysfs_merge_group+0xd4/0x110
> [   71.986205]  usb_set_configuration+0x57a/0x820
> [   71.986208]  usb_generic_driver_probe+0x4f/0x70
> [   71.986211]  usb_probe_device+0x3a/0x110
> [   71.986213]  really_probe+0xdb/0x380
> [   71.986216]  ? pm_runtime_barrier+0x54/0x90
> [   71.986219]  __driver_probe_device+0x78/0x170
> [   71.986221]  driver_probe_device+0x1f/0x90
> [   71.986224]  __device_attach_driver+0x89/0x110
> [   71.986227]  ? driver_allows_async_probing+0x70/0x70
> [   71.986230]  bus_for_each_drv+0x8c/0xe0
> [   71.986232]  __device_attach+0xb2/0x1e0
> [   71.986235]  bus_probe_device+0x92/0xb0
> [   71.986237]  device_add+0x422/0x9a0
> [   71.986239]  ? _dev_info+0x7d/0x98
> [   71.986242]  ? blake2s_update+0x4c/0xc0
> [   71.986246]  usb_new_device.cold+0x148/0x36d
> [   71.986250]  hub_event+0xa8a/0x1910
> [   71.986255]  process_one_work+0x1c4/0x380
> [   71.986259]  worker_thread+0x51/0x390
> [   71.986262]  ? rescuer_thread+0x3b0/0x3b0
> [   71.986264]  kthread+0xdb/0x110
> [   71.986266]  ? kthread_complete_and_exit+0x20/0x20
> [   71.986268]  ret_from_fork+0x1f/0x30
> [   71.986273]  </TASK>
> [   71.986274] ---[ end trace 0000000000000000 ]---
> [   71.986284] btusb: probe of 2-1.6:1.0 failed with error -17
> 
> [...]

Here is the summary with links:
  - Bluetooth: Fix crash when replugging CSR fake controllers
    https://git.kernel.org/bluetooth/bluetooth-next/c/dbd24be48422

You are awesome, thank you!
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