Re: [PATCH] USB: serial: oti6858: fix the teardown order in close

[sashiko-bot@kernel.org]

> From: Josef Bacik <josef@toxicpanda.com>
> 
> The driver passes a baton around: the completion handler of the
> interrupt urb either resubmits the urb, submits the read urb or
> schedules one of the two delayed works, and the works and the bulk
> completion handlers submit the interrupt urb again.
> 
> oti6858_close() cancels the works first and kills the urbs afterwards.
> An interrupt urb that completes in between schedules a work again:
> 
> 	oti6858_close()
> 	  cancel_delayed_work_sync(setup)
> 	  cancel_delayed_work_sync(write)
> 				oti6858_read_int_callback()
> 				  schedule_delayed_work(setup)
> [ ... ]
> Fixes: 49cdee0ed0fc ("USB: oti6858 usb-serial driver (in Nokia CA-42 cable)")
> Cc: stable <stable@kernel.org>
> Cc: Johan Hovold <johan@kernel.org>
> Signed-off-by: Josef Bacik <josef@toxicpanda.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Sashiko has reviewed this patch and found no issues.

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