diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iio/industrialio-trigger.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c index b489eeeb0004..b23caa2f2aa1 100644 --- a/drivers/iio/industrialio-trigger.c +++ b/drivers/iio/industrialio-trigger.c @@ -117,14 +117,17 @@ EXPORT_SYMBOL(iio_trigger_unregister); int iio_trigger_set_immutable(struct iio_dev *indio_dev, struct iio_trigger *trig) { + struct iio_dev_opaque *iio_dev_opaque; + if (!indio_dev || !trig) return -EINVAL; + iio_dev_opaque = to_iio_dev_opaque(indio_dev); mutex_lock(&indio_dev->mlock); - WARN_ON(indio_dev->trig_readonly); + WARN_ON(iio_dev_opaque->trig_readonly); indio_dev->trig = iio_trigger_get(trig); - indio_dev->trig_readonly = true; + iio_dev_opaque->trig_readonly = true; mutex_unlock(&indio_dev->mlock); return 0; @@ -402,6 +405,7 @@ static ssize_t iio_trigger_write_current(struct device *dev, size_t len) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); + struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); struct iio_trigger *oldtrig = indio_dev->trig; struct iio_trigger *trig; int ret; @@ -411,7 +415,7 @@ static ssize_t iio_trigger_write_current(struct device *dev, mutex_unlock(&indio_dev->mlock); return -EBUSY; } - if (indio_dev->trig_readonly) { + if (iio_dev_opaque->trig_readonly) { mutex_unlock(&indio_dev->mlock); return -EPERM; } |