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staging: iio: isl29018: change isl29018_read_raw() to only have one exit point

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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@onstation.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Brian Masney 2016-09-26 20:20:19 -04:00 • committed by Jonathan Cameron
parent 5faf98cb31
commit 5611cd6fc6
1 changed files with 4 additions and 2 deletions
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6
drivers/staging/iio/light/isl29018.c
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@ -390,8 +390,8 @@ static int isl29018_read_raw(struct iio_dev *indio_dev,
mutex_lock(&chip->lock); mutex_lock(&chip->lock);
if (chip->suspended) { if (chip->suspended) {
mutex_unlock(&chip->lock); ret = -EBUSY;
return -EBUSY; goto read_done;
} }
switch (mask) { switch (mask) {
case IIO_CHAN_INFO_RAW: case IIO_CHAN_INFO_RAW:
@ -438,6 +438,8 @@ static int isl29018_read_raw(struct iio_dev *indio_dev,
default: default:
break; break;
} }
read_done:
mutex_unlock(&chip->lock); mutex_unlock(&chip->lock);
return ret; return ret;
} }