The scope of this patch is to remove some goto statements and its label
present into st sensors driver.
Signed-off-by: Giuseppe Barba <giuseppe.barba@xxxxxx>
---
drivers/iio/accel/st_accel_buffer.c | 7 +--
drivers/iio/accel/st_accel_core.c | 3 +-
drivers/iio/common/st_sensors/st_sensors_buffer.c | 29 ++++-----
drivers/iio/common/st_sensors/st_sensors_core.c | 76 ++++++++++-------------
drivers/iio/common/st_sensors/st_sensors_i2c.c | 5 +-
drivers/iio/common/st_sensors/st_sensors_spi.c | 10 ++-
drivers/iio/gyro/st_gyro_buffer.c | 7 +--
drivers/iio/gyro/st_gyro_core.c | 5 +-
drivers/iio/magnetometer/st_magn_buffer.c | 20 ++----
drivers/iio/magnetometer/st_magn_core.c | 5 +-
drivers/iio/magnetometer/st_magn_i2c.c | 6 +-
drivers/iio/magnetometer/st_magn_spi.c | 6 +-
drivers/iio/pressure/st_pressure_buffer.c | 20 ++----
drivers/iio/pressure/st_pressure_core.c | 13 ++--
drivers/iio/pressure/st_pressure_spi.c | 6 +-
15 files changed, 78 insertions(+), 140 deletions(-)
diff --git a/drivers/iio/accel/st_accel_buffer.c b/drivers/iio/accel/st_accel_buffer.c
index a1e642e..21b5ac4 100644
--- a/drivers/iio/accel/st_accel_buffer.c
+++ b/drivers/iio/accel/st_accel_buffer.c
@@ -41,10 +41,8 @@ static int st_accel_buffer_postenable(struct iio_dev *indio_dev)
struct st_sensor_data *adata = iio_priv(indio_dev);
adata->buffer_data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
- if (adata->buffer_data == NULL) {
- err = -ENOMEM;
- goto allocate_memory_error;
- }
+ if (adata->buffer_data == NULL)
+ return -ENOMEM;
err = st_sensors_set_axis_enable(indio_dev,
(u8)indio_dev->active_scan_mask[0]);
@@ -59,7 +57,6 @@ static int st_accel_buffer_postenable(struct iio_dev *indio_dev)
st_accel_buffer_postenable_error:
kfree(adata->buffer_data);
-allocate_memory_error:
return err;
}
diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c
index ff30f88..beea981 100644
--- a/drivers/iio/accel/st_accel_core.c
+++ b/drivers/iio/accel/st_accel_core.c
@@ -559,7 +559,7 @@ static int st_accel_read_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_RAW:
err = st_sensors_read_info_raw(indio_dev, ch, val);
if (err < 0)
- goto read_error;
+ break;
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
@@ -573,7 +573,6 @@ static int st_accel_read_raw(struct iio_dev *indio_dev,
return -EINVAL;
}
-read_error:
return err;
}
diff --git a/drivers/iio/common/st_sensors/st_sensors_buffer.c b/drivers/iio/common/st_sensors/st_sensors_buffer.c
index e18bc67..4d1f75c 100644
--- a/drivers/iio/common/st_sensors/st_sensors_buffer.c
+++ b/drivers/iio/common/st_sensors/st_sensors_buffer.c
@@ -32,10 +32,8 @@ int st_sensors_get_buffer_element(struct iio_dev *indio_dev, u8 *buf)
indio_dev->channels[0].scan_type.storagebits >> 3;
addr = kmalloc(num_data_channels, GFP_KERNEL);
- if (!addr) {
- len = -ENOMEM;
- goto st_sensors_get_buffer_element_error;
- }
+ if (!addr)
+ return -ENOMEM;
for (i = 0; i < num_data_channels; i++) {
if (test_bit(i, indio_dev->active_scan_mask)) {
@@ -59,7 +57,7 @@ int st_sensors_get_buffer_element(struct iio_dev *indio_dev, u8 *buf)
GFP_KERNEL);
if (!rx_array) {
len = -ENOMEM;
- goto st_sensors_free_memory;
+ break;
}
len = sdata->tf->read_multiple_byte(&sdata->tb,
@@ -68,7 +66,7 @@ int st_sensors_get_buffer_element(struct iio_dev *indio_dev, u8 *buf)
rx_array, sdata->multiread_bit);
if (len < 0) {
kfree(rx_array);
- goto st_sensors_free_memory;
+ break;
}
for (i = 0; i < n * byte_for_channel; i++) {
@@ -88,16 +86,13 @@ int st_sensors_get_buffer_element(struct iio_dev *indio_dev, u8 *buf)
break;
default:
len = -EINVAL;
- goto st_sensors_free_memory;
+ break;
}
- if (len != byte_for_channel * n) {
+ if ((len > 0) && (len != byte_for_channel * n))
len = -EIO;
- goto st_sensors_free_memory;
- }
-st_sensors_free_memory:
kfree(addr);
-st_sensors_get_buffer_element_error:
+
return len;
}
EXPORT_SYMBOL(st_sensors_get_buffer_element);
@@ -110,13 +105,11 @@ irqreturn_t st_sensors_trigger_handler(int irq, void *p)
struct st_sensor_data *sdata = iio_priv(indio_dev);
len = st_sensors_get_buffer_element(indio_dev, sdata->buffer_data);
- if (len < 0)
- goto st_sensors_get_buffer_element_error;
-
- iio_push_to_buffers_with_timestamp(indio_dev, sdata->buffer_data,
- pf->timestamp);
+ if (len > 0)
+ iio_push_to_buffers_with_timestamp(indio_dev,
+ sdata->buffer_data,
+ pf->timestamp);
-st_sensors_get_buffer_element_error:
iio_trigger_notify_done(indio_dev->trig);
return IRQ_HANDLED;
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index 2e7fdb5..31f05f9 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -35,34 +35,32 @@ static int st_sensors_write_data_with_mask(struct iio_dev *indio_dev,
err = sdata->tf->read_byte(&sdata->tb, sdata->dev, reg_addr, &new_data);
if (err < 0)
- goto st_sensors_write_data_with_mask_error;
+ return err;
new_data = ((new_data & (~mask)) | ((data << __ffs(mask)) & mask));
- err = sdata->tf->write_byte(&sdata->tb, sdata->dev, reg_addr, new_data);
-st_sensors_write_data_with_mask_error:
- return err;
+ return sdata->tf->write_byte(&sdata->tb, sdata->dev, reg_addr,
+ new_data);
}
static int st_sensors_match_odr(struct st_sensor_settings *sensor_settings,
unsigned int odr, struct st_sensor_odr_avl *odr_out)
{
- int i, ret = -EINVAL;
+ int i;
for (i = 0; i < ST_SENSORS_ODR_LIST_MAX; i++) {
if (sensor_settings->odr.odr_avl[i].hz == 0)
- goto st_sensors_match_odr_error;
+ break;
if (sensor_settings->odr.odr_avl[i].hz == odr) {
odr_out->hz = sensor_settings->odr.odr_avl[i].hz;
odr_out->value = sensor_settings->odr.odr_avl[i].value;
- ret = 0;
- break;
+
+ return 0;
}
}
-st_sensors_match_odr_error:
- return ret;
+ return -EINVAL;
}
int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr)
@@ -73,7 +71,7 @@ int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr)
err = st_sensors_match_odr(sdata->sensor_settings, odr, &odr_out);
if (err < 0)
- goto st_sensors_match_odr_error;
+ return err;
if ((sdata->sensor_settings->odr.addr ==
sdata->sensor_settings->pw.addr) &&
@@ -96,7 +94,6 @@ int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr)
if (err >= 0)
sdata->odr = odr_out.hz;
-st_sensors_match_odr_error:
return err;
}
EXPORT_SYMBOL(st_sensors_set_odr);
@@ -104,21 +101,19 @@ EXPORT_SYMBOL(st_sensors_set_odr);
static int st_sensors_match_fs(struct st_sensor_settings *sensor_settings,
unsigned int fs, int *index_fs_avl)
{
- int i, ret = -EINVAL;
+ int i;
for (i = 0; i < ST_SENSORS_FULLSCALE_AVL_MAX; i++) {
if (sensor_settings->fs.fs_avl[i].num == 0)
- goto st_sensors_match_odr_error;
+ break;
if (sensor_settings->fs.fs_avl[i].num == fs) {
*index_fs_avl = i;
- ret = 0;
- break;
+ return 0;
}
}
-st_sensors_match_odr_error:
- return ret;
+ return -EINVAL;
}
static int st_sensors_set_fullscale(struct iio_dev *indio_dev, unsigned int fs)
@@ -130,22 +125,23 @@ static int st_sensors_set_fullscale(struct iio_dev *indio_dev, unsigned int fs)
return 0;
err = st_sensors_match_fs(sdata->sensor_settings, fs, &i);
- if (err < 0)
- goto st_accel_set_fullscale_error;
+ if (err < 0) {
+ dev_err(&indio_dev->dev, "requested fullscale is not supported.\n");
+ return err;
+ }
err = st_sensors_write_data_with_mask(indio_dev,
sdata->sensor_settings->fs.addr,
sdata->sensor_settings->fs.mask,
sdata->sensor_settings->fs.fs_avl[i].value);
- if (err < 0)
- goto st_accel_set_fullscale_error;
+ if (err < 0) {
+ dev_err(&indio_dev->dev, "failed to set new fullscale.\n");
+ return err;
+ }
sdata->current_fullscale = (struct st_sensor_fullscale_avl *)
&sdata->sensor_settings->fs.fs_avl[i];
- return err;
-st_accel_set_fullscale_error:
- dev_err(&indio_dev->dev, "failed to set new fullscale.\n");
return err;
}
@@ -166,7 +162,8 @@ int st_sensors_set_enable(struct iio_dev *indio_dev, bool enable)
err = st_sensors_match_odr(sdata->sensor_settings,
sdata->odr, &odr_out);
if (err < 0)
- goto set_enable_error;
+ return err;
+
tmp_value = odr_out.value;
found = true;
}
@@ -174,7 +171,7 @@ int st_sensors_set_enable(struct iio_dev *indio_dev, bool enable)
sdata->sensor_settings->pw.addr,
sdata->sensor_settings->pw.mask, tmp_value);
if (err < 0)
- goto set_enable_error;
+ return err;
sdata->enabled = true;
@@ -186,12 +183,11 @@ int st_sensors_set_enable(struct iio_dev *indio_dev, bool enable)
sdata->sensor_settings->pw.mask,
sdata->sensor_settings->pw.value_off);
if (err < 0)
- goto set_enable_error;
+ return err;
sdata->enabled = false;
}
-set_enable_error:
return err;
}
EXPORT_SYMBOL(st_sensors_set_enable);
@@ -375,7 +371,7 @@ int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable)
sdata->sensor_settings->drdy_irq.ig1.en_mask,
(int)enable);
if (err < 0)
- goto st_accel_set_dataready_irq_error;
+ return err;
}
if (sdata->drdy_int_pin == 1)
@@ -384,12 +380,9 @@ int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable)
drdy_mask = sdata->sensor_settings->drdy_irq.mask_int2;
/* Enable/Disable the interrupt generator for data ready. */
- err = st_sensors_write_data_with_mask(indio_dev,
+ return st_sensors_write_data_with_mask(indio_dev,
sdata->sensor_settings->drdy_irq.addr,
drdy_mask, (int)enable);
-
-st_accel_set_dataready_irq_error:
- return err;
}
EXPORT_SYMBOL(st_sensors_set_dataready_irq);
@@ -406,13 +399,10 @@ int st_sensors_set_fullscale_by_gain(struct iio_dev *indio_dev, int scale)
}
}
if (err < 0)
- goto st_sensors_match_scale_error;
+ return err;
- err = st_sensors_set_fullscale(indio_dev,
+ return st_sensors_set_fullscale(indio_dev,
sdata->sensor_settings->fs.fs_avl[i].num);
-
-st_sensors_match_scale_error:
- return err;
}
EXPORT_SYMBOL(st_sensors_set_fullscale_by_gain);
@@ -456,22 +446,22 @@ int st_sensors_read_info_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) {
err = -EBUSY;
- goto out;
+ goto st_sensors_mutex_unlock;
} else {
err = st_sensors_set_enable(indio_dev, true);
if (err < 0)
- goto out;
+ goto st_sensors_mutex_unlock;
msleep((sdata->sensor_settings->bootime * 1000) / sdata->odr);
err = st_sensors_read_axis_data(indio_dev, ch, val);
if (err < 0)
- goto out;
+ goto st_sensors_mutex_unlock;
*val = *val >> ch->scan_type.shift;
err = st_sensors_set_enable(indio_dev, false);
}
-out:
+st_sensors_mutex_unlock:
mutex_unlock(&indio_dev->mlock);
return err;
diff --git a/drivers/iio/common/st_sensors/st_sensors_i2c.c b/drivers/iio/common/st_sensors/st_sensors_i2c.c
index 98cfee29..793d7a8 100644
--- a/drivers/iio/common/st_sensors/st_sensors_i2c.c
+++ b/drivers/iio/common/st_sensors/st_sensors_i2c.c
@@ -33,12 +33,11 @@ static int st_sensors_i2c_read_byte(struct st_sensor_transfer_buffer *tb,
err = i2c_smbus_read_byte_data(to_i2c_client(dev), reg_addr);
if (err < 0)
- goto st_accel_i2c_read_byte_error;
+ return err;
*res_byte = err & 0xff;
-st_accel_i2c_read_byte_error:
- return err < 0 ? err : 0;
+ return 0;
}
static int st_sensors_i2c_read_multiple_byte(
diff --git a/drivers/iio/common/st_sensors/st_sensors_spi.c b/drivers/iio/common/st_sensors/st_sensors_spi.c
index 5b37737..d7a14e0 100644
--- a/drivers/iio/common/st_sensors/st_sensors_spi.c
+++ b/drivers/iio/common/st_sensors/st_sensors_spi.c
@@ -51,16 +51,14 @@ static int st_sensors_spi_read(struct st_sensor_transfer_buffer *tb,
tb->tx_buf[0] = reg_addr | ST_SENSORS_SPI_READ;
err = spi_sync_transfer(to_spi_device(dev), xfers, ARRAY_SIZE(xfers));
- if (err)
- goto acc_spi_read_error;
+ if (err) {
+ mutex_unlock(&tb->buf_lock);
+ return err;
+ }
memcpy(data, tb->rx_buf, len);
mutex_unlock(&tb->buf_lock);
return len;
-
-acc_spi_read_error:
- mutex_unlock(&tb->buf_lock);
- return err;
}
static int st_sensors_spi_read_byte(struct st_sensor_transfer_buffer *tb,
diff --git a/drivers/iio/gyro/st_gyro_buffer.c b/drivers/iio/gyro/st_gyro_buffer.c
index d67b17b..9da07ed 100644
--- a/drivers/iio/gyro/st_gyro_buffer.c
+++ b/drivers/iio/gyro/st_gyro_buffer.c
@@ -41,10 +41,8 @@ static int st_gyro_buffer_postenable(struct iio_dev *indio_dev)
struct st_sensor_data *gdata = iio_priv(indio_dev);
gdata->buffer_data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
- if (gdata->buffer_data == NULL) {
- err = -ENOMEM;
- goto allocate_memory_error;
- }
+ if (gdata->buffer_data == NULL)
+ return -ENOMEM;
err = st_sensors_set_axis_enable(indio_dev,
(u8)indio_dev->active_scan_mask[0]);
@@ -59,7 +57,6 @@ static int st_gyro_buffer_postenable(struct iio_dev *indio_dev)
st_gyro_buffer_postenable_error:
kfree(gdata->buffer_data);
-allocate_memory_error:
return err;
}
diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c
index 4b993a5..668e099 100644
--- a/drivers/iio/gyro/st_gyro_core.c
+++ b/drivers/iio/gyro/st_gyro_core.c
@@ -324,7 +324,7 @@ static int st_gyro_read_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_RAW:
err = st_sensors_read_info_raw(indio_dev, ch, val);
if (err < 0)
- goto read_error;
+ break;
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
@@ -338,7 +338,6 @@ static int st_gyro_read_raw(struct iio_dev *indio_dev,
return -EINVAL;
}
-read_error:
return err;
}
@@ -357,7 +356,7 @@ static int st_gyro_write_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
err = st_sensors_set_odr(indio_dev, val);
mutex_unlock(&indio_dev->mlock);
- return err;
+ break;
default:
err = -EINVAL;
}
diff --git a/drivers/iio/magnetometer/st_magn_buffer.c b/drivers/iio/magnetometer/st_magn_buffer.c
index ecd3bd0..ea4006f 100644
--- a/drivers/iio/magnetometer/st_magn_buffer.c
+++ b/drivers/iio/magnetometer/st_magn_buffer.c
@@ -41,21 +41,14 @@ static int st_magn_buffer_postenable(struct iio_dev *indio_dev)
struct st_sensor_data *mdata = iio_priv(indio_dev);
mdata->buffer_data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
- if (mdata->buffer_data == NULL) {
- err = -ENOMEM;
- goto allocate_memory_error;
- }
+ if (mdata->buffer_data == NULL)
+ return -ENOMEM;
err = iio_triggered_buffer_postenable(indio_dev);
if (err < 0)
- goto st_magn_buffer_postenable_error;
+ kfree(mdata->buffer_data);
return err;
-
-st_magn_buffer_postenable_error:
- kfree(mdata->buffer_data);
-allocate_memory_error:
- return err;
}
static int st_magn_buffer_predisable(struct iio_dev *indio_dev)
@@ -64,12 +57,9 @@ static int st_magn_buffer_predisable(struct iio_dev *indio_dev)
struct st_sensor_data *mdata = iio_priv(indio_dev);
err = iio_triggered_buffer_predisable(indio_dev);
- if (err < 0)
- goto st_magn_buffer_predisable_error;
-
- err = st_sensors_set_enable(indio_dev, false);
+ if (err >= 0)
+ err = st_sensors_set_enable(indio_dev, false);
-st_magn_buffer_predisable_error:
kfree(mdata->buffer_data);
return err;
}
diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c
index f8dc4b8..abf75c5 100644
--- a/drivers/iio/magnetometer/st_magn_core.c
+++ b/drivers/iio/magnetometer/st_magn_core.c
@@ -497,7 +497,7 @@ static int st_magn_read_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_RAW:
err = st_sensors_read_info_raw(indio_dev, ch, val);
if (err < 0)
- goto read_error;
+ break;
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
@@ -515,7 +515,6 @@ static int st_magn_read_raw(struct iio_dev *indio_dev,
return -EINVAL;
}
-read_error:
return err;
}
@@ -534,7 +533,7 @@ static int st_magn_write_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
err = st_sensors_set_odr(indio_dev, val);
mutex_unlock(&indio_dev->mlock);
- return err;
+ break;
default:
err = -EINVAL;
}
diff --git a/drivers/iio/magnetometer/st_magn_i2c.c b/drivers/iio/magnetometer/st_magn_i2c.c
index 8aa37af..787e5bb 100644
--- a/drivers/iio/magnetometer/st_magn_i2c.c
+++ b/drivers/iio/magnetometer/st_magn_i2c.c
@@ -60,14 +60,10 @@ static int st_magn_i2c_probe(struct i2c_client *client,
mdata = iio_priv(indio_dev);
st_sensors_of_i2c_probe(client, st_magn_of_match);
-
st_sensors_i2c_configure(indio_dev, client, mdata);
-
err = st_magn_common_probe(indio_dev);
- if (err < 0)
- return err;
- return 0;
+ return (err < 0) ? err : 0;
}
static int st_magn_i2c_remove(struct i2c_client *client)
diff --git a/drivers/iio/magnetometer/st_magn_spi.c b/drivers/iio/magnetometer/st_magn_spi.c
index 0abca2c..1d78dae 100644
--- a/drivers/iio/magnetometer/st_magn_spi.c
+++ b/drivers/iio/magnetometer/st_magn_spi.c
@@ -29,14 +29,10 @@ static int st_magn_spi_probe(struct spi_device *spi)
return -ENOMEM;
mdata = iio_priv(indio_dev);
-
st_sensors_spi_configure(indio_dev, spi, mdata);
-
err = st_magn_common_probe(indio_dev);
- if (err < 0)
- return err;
- return 0;
+ return (err < 0) ? err : 0;
}
static int st_magn_spi_remove(struct spi_device *spi)
diff --git a/drivers/iio/pressure/st_pressure_buffer.c b/drivers/iio/pressure/st_pressure_buffer.c
index 2ff53f2..d8a83e7 100644
--- a/drivers/iio/pressure/st_pressure_buffer.c
+++ b/drivers/iio/pressure/st_pressure_buffer.c
@@ -41,21 +41,14 @@ static int st_press_buffer_postenable(struct iio_dev *indio_dev)
struct st_sensor_data *press_data = iio_priv(indio_dev);
press_data->buffer_data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
- if (press_data->buffer_data == NULL) {
- err = -ENOMEM;
- goto allocate_memory_error;
- }
+ if (press_data->buffer_data == NULL)
+ return -ENOMEM;
err = iio_triggered_buffer_postenable(indio_dev);
if (err < 0)
- goto st_press_buffer_postenable_error;
+ kfree(press_data->buffer_data);
return err;
-
-st_press_buffer_postenable_error:
- kfree(press_data->buffer_data);
-allocate_memory_error:
- return err;
}
static int st_press_buffer_predisable(struct iio_dev *indio_dev)
@@ -64,12 +57,9 @@ static int st_press_buffer_predisable(struct iio_dev *indio_dev)
struct st_sensor_data *press_data = iio_priv(indio_dev);
err = iio_triggered_buffer_predisable(indio_dev);
- if (err < 0)
- goto st_press_buffer_predisable_error;
-
- err = st_sensors_set_enable(indio_dev, false);
+ if (err >= 0)
+ err = st_sensors_set_enable(indio_dev, false);
-st_press_buffer_predisable_error:
kfree(press_data->buffer_data);
return err;
}
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
index eb41d2b..b26b1a8 100644
--- a/drivers/iio/pressure/st_pressure_core.c
+++ b/drivers/iio/pressure/st_pressure_core.c
@@ -325,10 +325,12 @@ static int st_press_write_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
err = st_sensors_set_odr(indio_dev, val);
mutex_unlock(&indio_dev->mlock);
- return err;
+ break;
default:
return -EINVAL;
}
+
+ return err;
}
static int st_press_read_raw(struct iio_dev *indio_dev,
@@ -342,7 +344,7 @@ static int st_press_read_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_RAW:
err = st_sensors_read_info_raw(indio_dev, ch, val);
if (err < 0)
- goto read_error;
+ break;
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
@@ -356,8 +358,7 @@ static int st_press_read_raw(struct iio_dev *indio_dev,
*val2 = press_data->current_fullscale->gain2;
break;
default:
- err = -EINVAL;
- goto read_error;
+ return -EINVAL;
}
return IIO_VAL_INT_PLUS_NANO;
@@ -368,8 +369,7 @@ static int st_press_read_raw(struct iio_dev *indio_dev,
*val2 = 10;
break;
default:
- err = -EINVAL;
- goto read_error;
+ return -EINVAL;
}
return IIO_VAL_FRACTIONAL;
@@ -380,7 +380,6 @@ static int st_press_read_raw(struct iio_dev *indio_dev,
return -EINVAL;
}
-read_error:
return err;
}
diff --git a/drivers/iio/pressure/st_pressure_spi.c b/drivers/iio/pressure/st_pressure_spi.c
index 1ffa6d4..21aac46 100644
--- a/drivers/iio/pressure/st_pressure_spi.c
+++ b/drivers/iio/pressure/st_pressure_spi.c
@@ -29,14 +29,10 @@ static int st_press_spi_probe(struct spi_device *spi)
return -ENOMEM;
press_data = iio_priv(indio_dev);
-
st_sensors_spi_configure(indio_dev, spi, press_data);
-
err = st_press_common_probe(indio_dev);
- if (err < 0)
- return err;
- return 0;
+ return (err < 0) ? err : 0;
}
static int st_press_spi_remove(struct spi_device *spi)
--
1.9.1
--
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