The iio_read_avail_channel_attribute() iio interface now allocates a
copy of the available info buffer that must be freed after use.
Signed-off-by: Matteo Martelli <matteomartelli3@xxxxxxxxx>
---
drivers/power/supply/ingenic-battery.c | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/power/supply/ingenic-battery.c b/drivers/power/supply/ingenic-battery.c
index 0a40f425c27723ccec49985b8b5e14a737b6a7eb..3db000d9fff9a7a6819631314547b3d16db7f967 100644
--- a/drivers/power/supply/ingenic-battery.c
+++ b/drivers/power/supply/ingenic-battery.c
@@ -12,6 +12,7 @@
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/property.h>
+#include <linux/slab.h>
struct ingenic_battery {
struct device *dev;
@@ -79,8 +80,10 @@ static int ingenic_battery_set_scale(struct ingenic_battery *bat)
dev_err(bat->dev, "Unable to read channel avail scale\n");
return ret;
}
- if (ret != IIO_AVAIL_LIST || scale_type != IIO_VAL_FRACTIONAL_LOG2)
- return -EINVAL;
+ if (ret != IIO_AVAIL_LIST || scale_type != IIO_VAL_FRACTIONAL_LOG2) {
+ ret = -EINVAL;
+ goto out;
+ }
max_mV = bat->info->voltage_max_design_uv / 1000;
@@ -99,7 +102,8 @@ static int ingenic_battery_set_scale(struct ingenic_battery *bat)
if (best_idx < 0) {
dev_err(bat->dev, "Unable to find matching voltage scale\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}
/* Only set scale if there is more than one (fractional) entry */
@@ -109,10 +113,13 @@ static int ingenic_battery_set_scale(struct ingenic_battery *bat)
scale_raw[best_idx + 1],
IIO_CHAN_INFO_SCALE);
if (ret)
- return ret;
+ goto out;
}
- return 0;
+ ret = 0;
+out:
+ kfree(scale_raw);
+ return ret;
}
static enum power_supply_property ingenic_battery_properties[] = {
--
2.46.2
