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iio:dac:ad5449: unlock on error path 

There is an unlock missing on this error path.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Dan Carpenter 2012-10-24 08:13:00 +01:00 committed by Jonathan Cameron
parent 6b3aa3131a
commit 0c88d23c66
1 changed files with 4 additions and 3 deletions
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7
drivers/iio/dac/ad5449.c
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@ -124,12 +124,13 @@ static int ad5449_read(struct iio_dev *indio_dev, unsigned int addr,
ret = spi_sync(st->spi, &msg);
if (ret < 0)
return ret;
goto out_unlock;
*val = be16_to_cpu(st->data[1]);
mutex_unlock(&indio_dev->mlock);
return 0;
out_unlock:
mutex_unlock(&indio_dev->mlock);
return ret;
}
static int ad5449_read_raw(struct iio_dev *indio_dev,