[PATCH 2/5] nvme/pci: Cancel work after watchdog disabled

[Johannes Thumshirn]

On 02/11/2017 12:15 AM, Keith Busch wrote:
> The driver had been flushing the work prior to uninitializing the
> controller, hoping the work would not get restarted. If controller
> failure or IO time occurs when tearing down the request queues, the
> watchdog timer may queue another reset.
> 
> We want to make sure that reset work is not running to prevent use after
> free errors accessing the device being torn down, so this patch cancels
> the reset work only after we know it can never be started again.
> 
> Signed-off-by: Keith Busch <keith.busch at intel.com>
> ---

Reviewed-by: Johannes Thumshirn <jthumshirn at suse.de>


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