[PATCH v3 4/5] staging: iio: isl29018: change isl29018_read_raw() to only have one exit point

[Brian Masney]

When the chip is in a suspended state, isl29018_read_raw() will return
-EBUSY. Change the function so that it only has a single exit point.

Signed-off-by: Brian Masney <masneyb at onstation.org>
---
 drivers/staging/iio/light/isl29018.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/iio/light/isl29018.c b/drivers/staging/iio/light/isl29018.c
index 990c6e5..3a4d79d 100644
--- a/drivers/staging/iio/light/isl29018.c
+++ b/drivers/staging/iio/light/isl29018.c
@@ -390,8 +390,8 @@ static int isl29018_read_raw(struct iio_dev *indio_dev,
 
 	mutex_lock(&chip->lock);
 	if (chip->suspended) {
-		mutex_unlock(&chip->lock);
-		return -EBUSY;
+		ret = -EBUSY;
+		goto read_done;
 	}
 	switch (mask) {
 	case IIO_CHAN_INFO_RAW:
@@ -438,6 +438,8 @@ static int isl29018_read_raw(struct iio_dev *indio_dev,
 	default:
 		break;
 	}
+
+read_done:
 	mutex_unlock(&chip->lock);
 	return ret;
 }
-- 
2.7.4