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由 Jarkko Nikula 提交于
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: NKrzysztof Adamski <krzysztof.adamski@nokia.com> Reported-by: NWolfram Sang <wsa@the-dreams.de> Signed-off-by: NJarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
c486dcd2