diff options
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/adc/aspeed_adc.c | 1 | ||||
| -rw-r--r-- | drivers/iio/adc/ti-adc128s052.c | 6 | ||||
| -rw-r--r-- | drivers/iio/common/ssp_sensors/ssp_spi.c | 11 | ||||
| -rw-r--r-- | drivers/iio/dac/ad5446.c | 9 | ||||
| -rw-r--r-- | drivers/iio/light/opt3001.c | 6 |
5 files changed, 27 insertions, 6 deletions
diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c index c02b23d675cb..83656d8fc0ae 100644 --- a/drivers/iio/adc/aspeed_adc.c +++ b/drivers/iio/adc/aspeed_adc.c @@ -187,6 +187,7 @@ static int aspeed_adc_probe(struct platform_device *pdev) data = iio_priv(indio_dev); data->dev = &pdev->dev; + platform_set_drvdata(pdev, indio_dev); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); data->base = devm_ioremap_resource(&pdev->dev, res); diff --git a/drivers/iio/adc/ti-adc128s052.c b/drivers/iio/adc/ti-adc128s052.c index 89dfbd31be5c..b7c7cba2dc09 100644 --- a/drivers/iio/adc/ti-adc128s052.c +++ b/drivers/iio/adc/ti-adc128s052.c @@ -169,7 +169,13 @@ static int adc128_probe(struct spi_device *spi) mutex_init(&adc->lock); ret = iio_device_register(indio_dev); + if (ret) + goto err_disable_regulator; + return 0; + +err_disable_regulator: + regulator_disable(adc->reg); return ret; } diff --git a/drivers/iio/common/ssp_sensors/ssp_spi.c b/drivers/iio/common/ssp_sensors/ssp_spi.c index 704284a475ae..645749b90ec0 100644 --- a/drivers/iio/common/ssp_sensors/ssp_spi.c +++ b/drivers/iio/common/ssp_sensors/ssp_spi.c @@ -147,7 +147,7 @@ static int ssp_print_mcu_debug(char *data_frame, int *data_index, if (length > received_len - *data_index || length <= 0) { ssp_dbg("[SSP]: MSG From MCU-invalid debug length(%d/%d)\n", length, received_len); - return length ? length : -EPROTO; + return -EPROTO; } ssp_dbg("[SSP]: MSG From MCU - %s\n", &data_frame[*data_index]); @@ -286,6 +286,8 @@ static int ssp_parse_dataframe(struct ssp_data *data, char *dataframe, int len) for (idx = 0; idx < len;) { switch (dataframe[idx++]) { case SSP_MSG2AP_INST_BYPASS_DATA: + if (idx >= len) + return -EPROTO; sd = dataframe[idx++]; if (sd < 0 || sd >= SSP_SENSOR_MAX) { dev_err(SSP_DEV, @@ -295,10 +297,13 @@ static int ssp_parse_dataframe(struct ssp_data *data, char *dataframe, int len) if (indio_devs[sd]) { spd = iio_priv(indio_devs[sd]); - if (spd->process_data) + if (spd->process_data) { + if (idx >= len) + return -EPROTO; spd->process_data(indio_devs[sd], &dataframe[idx], data->timestamp); + } } else { dev_err(SSP_DEV, "no client for frame\n"); } @@ -306,6 +311,8 @@ static int ssp_parse_dataframe(struct ssp_data *data, char *dataframe, int len) idx += ssp_offset_map[sd]; break; case SSP_MSG2AP_INST_DEBUG_DATA: + if (idx >= len) + return -EPROTO; sd = ssp_print_mcu_debug(dataframe, &idx, len); if (sd) { dev_err(SSP_DEV, diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c index b555552a0d80..d3a3d62869d8 100644 --- a/drivers/iio/dac/ad5446.c +++ b/drivers/iio/dac/ad5446.c @@ -510,8 +510,15 @@ static int ad5622_write(struct ad5446_state *st, unsigned val) { struct i2c_client *client = to_i2c_client(st->dev); __be16 data = cpu_to_be16(val); + int ret; + + ret = i2c_master_send(client, (char *)&data, sizeof(data)); + if (ret < 0) + return ret; + if (ret != sizeof(data)) + return -EIO; - return i2c_master_send(client, (char *)&data, sizeof(data)); + return 0; } /** diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c index 743fd2cfdd54..75dc0ff5873e 100644 --- a/drivers/iio/light/opt3001.c +++ b/drivers/iio/light/opt3001.c @@ -283,6 +283,8 @@ static int opt3001_get_lux(struct opt3001 *opt, int *val, int *val2) ret = wait_event_timeout(opt->result_ready_queue, opt->result_ready, msecs_to_jiffies(OPT3001_RESULT_READY_LONG)); + if (ret == 0) + return -ETIMEDOUT; } else { /* Sleep for result ready time */ timeout = (opt->int_time == OPT3001_INT_TIME_SHORT) ? @@ -319,9 +321,7 @@ err: /* Disallow IRQ to access the device while lock is active */ opt->ok_to_ignore_lock = false; - if (ret == 0) - return -ETIMEDOUT; - else if (ret < 0) + if (ret < 0) return ret; if (opt->use_irq) { |