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Date: Fri, 5 Apr 2024 08:42:23 +0300
From: Tony Lindgren <tony@...mide.com>
To: Jiri Slaby <jirislaby@...nel.org>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	Yicong Yang <yangyicong@...ilicon.com>,
	kernel test robot <oliver.sang@...el.com>
Subject: Re: [PATCH v1 1/1] serial: core: Clearing the circular buffer before
 NULLifying it

* Jiri Slaby <jirislaby@...nel.org> [240405 05:25]:
> But again, serial8250_start_tx() should not be called after shutdown().

Sounds like we should add some check in addition to UPF_DEAD to
serial_port_runtime_suspend() and serial_port_runtime_resume() to
bail out early on shutdown.

Regards,

Tony


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