On 22.11.2021 14.27, Marek Szyprowski wrote:
> Hi,
>
> On 22.11.2021 11:50, Mathias Nyman wrote:
>> Fix the circular lock dependency and unbalanced unlock of addess0_mutex
>> introduced when fixing an address0_mutex enumeration retry race in commit
>> ae6dc22d2d1 ("usb: hub: Fix usb enumeration issue due to address0 race")
>>
>> Make sure locking order between port_dev->status_lock and address0_mutex
>> is correct, and that address0_mutex is not unlocked in hub_port_connect
>> "done:" codepath which may be reached without locking address0_mutex
>>
>> Fixes: 6ae6dc22d2d1 ("usb: hub: Fix usb enumeration issue due to address0 race")
>> Cc: <stable@xxxxxxxxxxxxxxx>
>> Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
> This fixes the issue I've reported here:
> https://lore.kernel.org/all/f3bfcbc7-f701-c74a-09bd-6491d4c8d863@xxxxxxxxxxx/
> Reported-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> Tested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Thank you for testing, I'll add these tags
-Mathias
