Re: [PATCH] i2c: designware: Synchronize IRQs when unregistering slave client

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On Thu, Aug 15, 2019 at 04:52:11PM +0300, Jarkko Nikula wrote:
> Make sure interrupt handler i2c_dw_irq_handler_slave() has finished
> before clearing the the dev->slave pointer in i2c_dw_unreg_slave().
> 
> There is possibility for a race if i2c_dw_irq_handler_slave() is running
> on another CPU while clearing the dev->slave pointer.
> 
> Reported-by: Krzysztof Adamski <krzysztof.adamski@xxxxxxxxx>
> Reported-by: Wolfram Sang <wsa@xxxxxxxxxxxxx>
> Signed-off-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx>

Applied to for-current, thanks!

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