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author | Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2024-07-05 12:40:44 +0200 |
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committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2024-07-29 20:31:10 +0100 |
commit | f44c314faaec1882f16c8abcb49625594e9bbe4b (patch) | |
tree | 252f6867310d7e07d027ea08615b3863779812b1 | |
parent | 244315b317350ad14a2f24b021f73c9dfcf83595 (diff) | |
download | linux-stable-f44c314faaec1882f16c8abcb49625594e9bbe4b.tar.gz linux-stable-f44c314faaec1882f16c8abcb49625594e9bbe4b.tar.bz2 linux-stable-f44c314faaec1882f16c8abcb49625594e9bbe4b.zip |
iio: accel: bma400: simplify with cleanup.h
Allocate the memory with scoped/cleanup.h to reduce error handling and
make the code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240705-cleanup-h-iio-v1-1-77114c7e84c5@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r-- | drivers/iio/accel/bma400_core.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/iio/accel/bma400_core.c b/drivers/iio/accel/bma400_core.c index e90e2f01550a..89db242f06e0 100644 --- a/drivers/iio/accel/bma400_core.c +++ b/drivers/iio/accel/bma400_core.c @@ -13,6 +13,7 @@ #include <linux/bitfield.h> #include <linux/bitops.h> +#include <linux/cleanup.h> #include <linux/device.h> #include <linux/kernel.h> #include <linux/module.h> @@ -795,21 +796,19 @@ static int bma400_enable_steps(struct bma400_data *data, int val) static int bma400_get_steps_reg(struct bma400_data *data, int *val) { - u8 *steps_raw; int ret; - steps_raw = kmalloc(BMA400_STEP_RAW_LEN, GFP_KERNEL); + u8 *steps_raw __free(kfree) = kmalloc(BMA400_STEP_RAW_LEN, GFP_KERNEL); if (!steps_raw) return -ENOMEM; ret = regmap_bulk_read(data->regmap, BMA400_STEP_CNT0_REG, steps_raw, BMA400_STEP_RAW_LEN); - if (ret) { - kfree(steps_raw); + if (ret) return ret; - } + *val = get_unaligned_le24(steps_raw); - kfree(steps_raw); + return IIO_VAL_INT; } |