diff options
| -rw-r--r-- | drivers/staging/iio/light/isl29018.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/staging/iio/light/isl29018.c b/drivers/staging/iio/light/isl29018.c index 3a4d79d7e23c..51226bd337c5 100644 --- a/drivers/staging/iio/light/isl29018.c +++ b/drivers/staging/iio/light/isl29018.c @@ -355,6 +355,10 @@ static int isl29018_write_raw(struct iio_dev *indio_dev, int ret = -EINVAL; mutex_lock(&chip->lock); + if (chip->suspended) { + ret = -EBUSY; + goto write_done; + } switch (mask) { case IIO_CHAN_INFO_CALIBSCALE: if (chan->type == IIO_LIGHT) { @@ -374,8 +378,9 @@ static int isl29018_write_raw(struct iio_dev *indio_dev, default: break; } - mutex_unlock(&chip->lock); +write_done: + mutex_unlock(&chip->lock); return ret; } |