summaryrefslogtreecommitdiffstats
path: root/drivers/iio/accel
diff options
context:
space:
mode:
authorDong Chenchen <dongchenchen2@huawei.com>2022-11-10 02:07:26 +0100
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2022-11-12 18:49:22 +0100
commit20690cd50e68c0313472c7539460168b8ea6444d (patch)
tree9ba9115cdb22a1c4d05841ee0c4514e4d25b20c7 /drivers/iio/accel
parentiio: light: rpr0521: add missing Kconfig dependencies (diff)
downloadlinux-20690cd50e68c0313472c7539460168b8ea6444d.tar.xz
linux-20690cd50e68c0313472c7539460168b8ea6444d.zip
iio: accel: bma400: Fix memory leak in bma400_get_steps_reg()
When regmap_bulk_read() fails, it does not free steps_raw, which will cause a memory leak issue, this patch fixes it. Fixes: d221de60eee3 ("iio: accel: bma400: Add separate channel for step counter") Signed-off-by: Dong Chenchen <dongchenchen2@huawei.com> Reviewed-by: Jagath Jog J <jagathjog1996@gmail.com> Link: https://lore.kernel.org/r/20221110010726.235601-1-dongchenchen2@huawei.com Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/accel')
-rw-r--r--drivers/iio/accel/bma400_core.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iio/accel/bma400_core.c b/drivers/iio/accel/bma400_core.c
index 490c342ef72a..6e4d10a7cd32 100644
--- a/drivers/iio/accel/bma400_core.c
+++ b/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;