iio staging: fix lis3l02dq, read error handling

pmeerw · jic23 · commit 8f6817a0a57c · 2013-07-09T22:11:53.000+01:00
Signed-off-by: Peter Meerwald &lt;pmeerw@pmeerw.net&gt;
Signed-off-by: Jonathan Cameron &lt;jic23@kernel.org&gt;
diff --git a/drivers/staging/iio/accel/lis3l02dq_core.c b/drivers/staging/iio/accel/lis3l02dq_core.c
@@ -257,6 +257,8 @@ static int lis3l02dq_read_raw(struct iio_dev *indio_dev,
 			ret = lis3l02dq_read_reg_s16(indio_dev, reg, val);
 		}
 		mutex_unlock(&indio_dev->mlock);
+		if (ret < 0)
+			goto error_ret;
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_SCALE:
 		*val = 0;

Original file line number	Diff line number	Diff line change
`@@ -257,6 +257,8 @@ static int lis3l02dq_read_raw(struct iio_dev *indio_dev,`
`257`	`257`	`ret = lis3l02dq_read_reg_s16(indio_dev, reg, val);`
`258`	`258`	`}`
`259`	`259`	`mutex_unlock(&indio_dev->mlock);`
	`260`	`+ if (ret < 0)`
	`261`	`+ goto error_ret;`
`260`	`262`	`return IIO_VAL_INT;`
`261`	`263`	`case IIO_CHAN_INFO_SCALE:`
`262`	`264`	`*val = 0;`