From: Martin Kelly <martin@xxxxxxxxxxxxxxxx> We are using "if (ret < 0)" in many places in which the function returns 0 on success. Use "if (ret)" instead for better clarity and correctness. Signed-off-by: Martin Kelly <martin@xxxxxxxxxxxxxxxx> --- drivers/iio/imu/bmi160/bmi160_core.c | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/drivers/iio/imu/bmi160/bmi160_core.c b/drivers/iio/imu/bmi160/bmi160_core.c index dca53be066e1..0ec9ded975e2 100644 --- a/drivers/iio/imu/bmi160/bmi160_core.c +++ b/drivers/iio/imu/bmi160/bmi160_core.c @@ -299,7 +299,7 @@ int bmi160_set_mode(struct bmi160_data *data, enum bmi160_sensor_type t, cmd = bmi160_regs[t].pmu_cmd_suspend; ret = regmap_write(data->regmap, BMI160_REG_CMD, cmd); - if (ret < 0) + if (ret) return ret; usleep_range(bmi160_pmu_time[t], bmi160_pmu_time[t] + 1000); @@ -331,7 +331,7 @@ int bmi160_get_scale(struct bmi160_data *data, enum bmi160_sensor_type t, int i, ret, val; ret = regmap_read(data->regmap, bmi160_regs[t].range, &val); - if (ret < 0) + if (ret) return ret; for (i = 0; i < bmi160_scale_table[t].num; i++) @@ -354,7 +354,7 @@ static int bmi160_get_data(struct bmi160_data *data, int chan_type, reg = bmi160_regs[t].data + (axis - IIO_MOD_X) * sizeof(sample); ret = regmap_bulk_read(data->regmap, reg, &sample, sizeof(sample)); - if (ret < 0) + if (ret) return ret; *val = sign_extend32(le16_to_cpu(sample), 15); @@ -388,7 +388,7 @@ static int bmi160_get_odr(struct bmi160_data *data, enum bmi160_sensor_type t, int i, val, ret; ret = regmap_read(data->regmap, bmi160_regs[t].config, &val); - if (ret < 0) + if (ret) return ret; val &= bmi160_regs[t].config_odr_mask; @@ -420,7 +420,7 @@ static irqreturn_t bmi160_trigger_handler(int irq, void *p) indio_dev->masklength) { ret = regmap_bulk_read(data->regmap, base + i * sizeof(sample), &sample, sizeof(sample)); - if (ret < 0) + if (ret) goto done; buf[j++] = sample; } @@ -441,18 +441,18 @@ static int bmi160_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: ret = bmi160_get_data(data, chan->type, chan->channel2, val); - if (ret < 0) + if (ret) return ret; return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: *val = 0; ret = bmi160_get_scale(data, bmi160_to_sensor(chan->type), val2); - return ret < 0 ? ret : IIO_VAL_INT_PLUS_MICRO; + return ret ? ret : IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_SAMP_FREQ: ret = bmi160_get_odr(data, bmi160_to_sensor(chan->type), val, val2); - return ret < 0 ? ret : IIO_VAL_INT_PLUS_MICRO; + return ret ? ret : IIO_VAL_INT_PLUS_MICRO; default: return -EINVAL; } @@ -732,7 +732,7 @@ static int bmi160_chip_init(struct bmi160_data *data, bool use_spi, int irq) struct device *dev = regmap_get_device(data->regmap); ret = regmap_write(data->regmap, BMI160_REG_CMD, BMI160_CMD_SOFTRESET); - if (ret < 0) + if (ret) return ret; usleep_range(BMI160_SOFTRESET_USLEEP, BMI160_SOFTRESET_USLEEP + 1); @@ -743,7 +743,7 @@ static int bmi160_chip_init(struct bmi160_data *data, bool use_spi, int irq) */ if (use_spi) { ret = regmap_read(data->regmap, BMI160_REG_DUMMY, &val); - if (ret < 0) + if (ret) return ret; } @@ -759,11 +759,11 @@ static int bmi160_chip_init(struct bmi160_data *data, bool use_spi, int irq) } ret = bmi160_set_mode(data, BMI160_ACCEL, true); - if (ret < 0) + if (ret) return ret; ret = bmi160_set_mode(data, BMI160_GYRO, true); - if (ret < 0) + if (ret) return ret; return 0; @@ -796,7 +796,7 @@ int bmi160_probe_trigger(struct iio_dev *indio_dev, int irq, u32 irq_type) ret = devm_request_irq(&indio_dev->dev, irq, &iio_trigger_generic_data_rdy_poll, irq_type, "bmi160", data->trig); - if (ret < 0) + if (ret) return ret; data->trig->dev.parent = regmap_get_device(data->regmap); @@ -836,11 +836,11 @@ int bmi160_core_probe(struct device *dev, struct regmap *regmap, data->regmap = regmap; ret = bmi160_chip_init(data, use_spi, irq); - if (ret < 0) + if (ret) return ret; ret = devm_add_action_or_reset(dev, bmi160_chip_uninit, data); - if (ret < 0) + if (ret) return ret; if (!name && ACPI_HANDLE(dev)) @@ -856,7 +856,7 @@ int bmi160_core_probe(struct device *dev, struct regmap *regmap, ret = devm_iio_triggered_buffer_setup(dev, indio_dev, iio_pollfunc_store_time, bmi160_trigger_handler, NULL); - if (ret < 0) + if (ret) return ret; if (irq) { @@ -866,7 +866,7 @@ int bmi160_core_probe(struct device *dev, struct regmap *regmap, } ret = devm_iio_device_register(dev, indio_dev); - if (ret < 0) + if (ret) return ret; return 0; -- 2.11.0