4th set of IIO fixes for 6.1

Single patch fixing a memory leak in an error path.
 Fine to queue either for 6.2 if too late for 6.1
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Merge tag 'iio-fixes-for-6.1d' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

4th set of IIO fixes for 6.1

Single patch fixing a memory leak in an error path.
Fine to queue either for 6.2 if too late for 6.1

* tag 'iio-fixes-for-6.1d' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
  iio: fix memory leak in iio_device_register_eventset()
  dt-bindings: iio: adc: Remove the property "aspeed,trim-data-valid"
  iio: adc: aspeed: Remove the trim valid dts property.
  iio: core: Fix entry not deleted when iio_register_sw_trigger_type() fails
  iio: accel: bma400: Fix memory leak in bma400_get_steps_reg()
  iio: light: rpr0521: add missing Kconfig dependencies
  iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw
  iio: health: afe4403: Fix oob read in afe4403_read_raw
  iio: light: apds9960: fix wrong register for gesture gain

Documentation/devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml

@@ -62,13 +62,6 @@ properties:
     description:
       Inform the driver that last channel will be used to sensor battery.
 
-  aspeed,trim-data-valid:
-    type: boolean
-    description: |
-      The ADC reference voltage can be calibrated to obtain the trimming
-      data which will be stored in otp. This property informs the driver that
-      the data store in the otp is valid.
-
 required:
   - compatible
   - reg

drivers/iio/accel/bma400_core.c

@@ -805,8 +805,10 @@ static int bma400_get_steps_reg(struct bma400_data *data, int *val)
 
 	ret = regmap_bulk_read(data->regmap, BMA400_STEP_CNT0_REG,
 			       steps_raw, BMA400_STEP_RAW_LEN);
-	if (ret)
+	if (ret) {
+		kfree(steps_raw);
 		return ret;
+	}
 	*val = get_unaligned_le24(steps_raw);
 	kfree(steps_raw);
 	return IIO_VAL_INT;

drivers/iio/adc/aspeed_adc.c

@@ -202,6 +202,8 @@ static int aspeed_adc_set_trim_data(struct iio_dev *indio_dev)
 				((scu_otp) &
 				 (data->model_data->trim_locate->field)) >>
 				__ffs(data->model_data->trim_locate->field);
+			if (!trimming_val)
+				trimming_val = 0x8;
 		}
 		dev_dbg(data->dev,
 			"trimming val = %d, offset = %08x, fields = %08x\n",
@@ -563,12 +565,9 @@ static int aspeed_adc_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	if (of_find_property(data->dev->of_node, "aspeed,trim-data-valid",
-			     NULL)) {
 	ret = aspeed_adc_set_trim_data(indio_dev);
 	if (ret)
 		return ret;
-	}
 
 	if (of_find_property(data->dev->of_node, "aspeed,battery-sensing",
 			     NULL)) {

drivers/iio/health/afe4403.c

@@ -245,14 +245,14 @@ static int afe4403_read_raw(struct iio_dev *indio_dev,
 			    int *val, int *val2, long mask)
 {
 	struct afe4403_data *afe = iio_priv(indio_dev);
-	unsigned int reg = afe4403_channel_values[chan->address];
-	unsigned int field = afe4403_channel_leds[chan->address];
+	unsigned int reg, field;
 	int ret;
 
 	switch (chan->type) {
 	case IIO_INTENSITY:
 		switch (mask) {
 		case IIO_CHAN_INFO_RAW:
+			reg = afe4403_channel_values[chan->address];
 			ret = afe4403_read(afe, reg, val);
 			if (ret)
 				return ret;
@@ -262,6 +262,7 @@ static int afe4403_read_raw(struct iio_dev *indio_dev,
 	case IIO_CURRENT:
 		switch (mask) {
 		case IIO_CHAN_INFO_RAW:
+			field = afe4403_channel_leds[chan->address];
 			ret = regmap_field_read(afe->fields[field], val);
 			if (ret)
 				return ret;

drivers/iio/health/afe4404.c

@@ -250,20 +250,20 @@ static int afe4404_read_raw(struct iio_dev *indio_dev,
 			    int *val, int *val2, long mask)
 {
 	struct afe4404_data *afe = iio_priv(indio_dev);
-	unsigned int value_reg = afe4404_channel_values[chan->address];
-	unsigned int led_field = afe4404_channel_leds[chan->address];
-	unsigned int offdac_field = afe4404_channel_offdacs[chan->address];
+	unsigned int value_reg, led_field, offdac_field;
 	int ret;
 
 	switch (chan->type) {
 	case IIO_INTENSITY:
 		switch (mask) {
 		case IIO_CHAN_INFO_RAW:
+			value_reg = afe4404_channel_values[chan->address];
 			ret = regmap_read(afe->regmap, value_reg, val);
 			if (ret)
 				return ret;
 			return IIO_VAL_INT;
 		case IIO_CHAN_INFO_OFFSET:
+			offdac_field = afe4404_channel_offdacs[chan->address];
 			ret = regmap_field_read(afe->fields[offdac_field], val);
 			if (ret)
 				return ret;
@@ -273,6 +273,7 @@ static int afe4404_read_raw(struct iio_dev *indio_dev,
 	case IIO_CURRENT:
 		switch (mask) {
 		case IIO_CHAN_INFO_RAW:
+			led_field = afe4404_channel_leds[chan->address];
 			ret = regmap_field_read(afe->fields[led_field], val);
 			if (ret)
 				return ret;
@@ -295,19 +296,20 @@ static int afe4404_write_raw(struct iio_dev *indio_dev,
 			     int val, int val2, long mask)
 {
 	struct afe4404_data *afe = iio_priv(indio_dev);
-	unsigned int led_field = afe4404_channel_leds[chan->address];
-	unsigned int offdac_field = afe4404_channel_offdacs[chan->address];
+	unsigned int led_field, offdac_field;
 
 	switch (chan->type) {
 	case IIO_INTENSITY:
 		switch (mask) {
 		case IIO_CHAN_INFO_OFFSET:
+			offdac_field = afe4404_channel_offdacs[chan->address];
 			return regmap_field_write(afe->fields[offdac_field], val);
 		}
 		break;
 	case IIO_CURRENT:
 		switch (mask) {
 		case IIO_CHAN_INFO_RAW:
+			led_field = afe4404_channel_leds[chan->address];
 			return regmap_field_write(afe->fields[led_field], val);
 		}
 		break;

drivers/iio/industrialio-event.c

@@ -556,7 +556,7 @@ int iio_device_register_eventset(struct iio_dev *indio_dev)
 
 	ret = iio_device_register_sysfs_group(indio_dev, &ev_int->group);
 	if (ret)
-		goto error_free_setup_event_lines;
+		goto error_free_group_attrs;
 
 	ev_int->ioctl_handler.ioctl = iio_event_ioctl;
 	iio_device_ioctl_handler_register(&iio_dev_opaque->indio_dev,
@@ -564,6 +564,8 @@ int iio_device_register_eventset(struct iio_dev *indio_dev)
 
 	return 0;
 
+error_free_group_attrs:
+	kfree(ev_int->group.attrs);
 error_free_setup_event_lines:
 	iio_free_chan_devattr_list(&ev_int->dev_attr_list);
 	kfree(ev_int);

drivers/iio/industrialio-sw-trigger.c

@@ -58,8 +58,12 @@ int iio_register_sw_trigger_type(struct iio_sw_trigger_type *t)
 
 	t->group = configfs_register_default_group(iio_triggers_group, t->name,
 						&iio_trigger_type_group_type);
-	if (IS_ERR(t->group))
+	if (IS_ERR(t->group)) {
+		mutex_lock(&iio_trigger_types_lock);
+		list_del(&t->list);
+		mutex_unlock(&iio_trigger_types_lock);
 		ret = PTR_ERR(t->group);
+	}
 
 	return ret;
 }

drivers/iio/light/Kconfig

@@ -293,6 +293,8 @@ config RPR0521
 	tristate "ROHM RPR0521 ALS and proximity sensor driver"
 	depends on I2C
 	select REGMAP_I2C
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  Say Y here if you want to build support for ROHM's RPR0521
 	  ambient light and proximity sensor device.

drivers/iio/light/apds9960.c

@@ -54,9 +54,6 @@
 #define APDS9960_REG_CONTROL_PGAIN_MASK_SHIFT	2
 
 #define APDS9960_REG_CONFIG_2	0x90
-#define APDS9960_REG_CONFIG_2_GGAIN_MASK	0x60
-#define APDS9960_REG_CONFIG_2_GGAIN_MASK_SHIFT	5
-
 #define APDS9960_REG_ID		0x92
 
 #define APDS9960_REG_STATUS	0x93
@@ -77,6 +74,9 @@
 #define APDS9960_REG_GCONF_1_GFIFO_THRES_MASK_SHIFT	6
 
 #define APDS9960_REG_GCONF_2	0xa3
+#define APDS9960_REG_GCONF_2_GGAIN_MASK			0x60
+#define APDS9960_REG_GCONF_2_GGAIN_MASK_SHIFT		5
+
 #define APDS9960_REG_GOFFSET_U	0xa4
 #define APDS9960_REG_GOFFSET_D	0xa5
 #define APDS9960_REG_GPULSE	0xa6
@@ -400,9 +400,9 @@ static int apds9960_set_pxs_gain(struct apds9960_data *data, int val)
 			}
 
 			ret = regmap_update_bits(data->regmap,
-				APDS9960_REG_CONFIG_2,
-				APDS9960_REG_CONFIG_2_GGAIN_MASK,
-				idx << APDS9960_REG_CONFIG_2_GGAIN_MASK_SHIFT);
+				APDS9960_REG_GCONF_2,
+				APDS9960_REG_GCONF_2_GGAIN_MASK,
+				idx << APDS9960_REG_GCONF_2_GGAIN_MASK_SHIFT);
 			if (!ret)
 				data->pxs_gain = idx;
 			mutex_unlock(&data->lock);