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ics932s401_update_device may fail reading in i2c_smbus_read_word_data due to error in i2c_smbus_xfer. The fix checks the status and defaults the register to 0. Signed-off-by: Aditya Pakki <pakki001@umn.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>