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Staging: iio: Add error check on iio_register_device() 

This patch checks if an error occurred on probe and stops the
device in order to avoid wasting power.

Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Cristina Opriceana 2015-03-29 16:14:39 +03:00 committed by Greg Kroah-Hartman
parent 675732707f
commit b72eb70209
1 changed files with 9 additions and 2 deletions
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9
drivers/staging/iio/meter/ade7754.c
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@ -550,8 +550,15 @@ static int ade7754_probe(struct spi_device *spi)
/* Get the device into a sane initial state */ /* Get the device into a sane initial state */
ret = ade7754_initial_setup(indio_dev); ret = ade7754_initial_setup(indio_dev);
if (ret) if (ret)
goto powerdown_on_error;
ret = iio_device_register(indio_dev);
if (ret)
goto powerdown_on_error;
return ret;
powerdown_on_error:
ade7754_stop_device(&indio_dev->dev);
return ret; return ret;
return iio_device_register(indio_dev);
} }
/* fixme, confirm ordering in this function */ /* fixme, confirm ordering in this function */