[Coverity CID: 236129] Unused value in drivers/adc/adc_lmp90xxx.c

[zephyrbot]

Static code scan issues found in file:

https://github.com/zephyrproject-rtos/zephyr/tree/374629af906a24add294b1c3b945128cb6a486e8/drivers/adc/adc_lmp90xxx.c#L616

Category: Code maintainability issues
Function: lmp90xxx_adc_read_channel
Component: Drivers
CID: 236129

Details:

zephyr/drivers/adc/adc_lmp90xxx.c

Line 616 in 374629a

err = lmp90xxx_read_reg8(dev, LMP90XXX_REG_ADC_DONE,

610             delay = lmp90xxx_odr_delay_tbl[odr];
611             LOG_DBG("sleeping for %d ms", delay);
612             k_msleep(delay);
613    
614             /* Poll for data ready */
615             do {
>>>     CID 236129:  Code maintainability issues  (UNUSED_VALUE)
>>>     Assigning value from "lmp90xxx_read_reg8(dev, 24, &adc_done)" to "err" here, but that stored value is overwritten before it can be used.
616                 err = lmp90xxx_read_reg8(dev, LMP90XXX_REG_ADC_DONE,
617                             &adc_done);
618                 if (adc_done == 0xFFU) {
619                     LOG_DBG("sleeping for 1 ms");
620                     k_msleep(1);
621                 } else {

Please fix or provide comments in coverity using the link:

https://scan9.coverity.com/reports.htm#v29271/p12996

Note: This issue was created automatically. Priority was set based on classification
of the file affected and the impact field in coverity. Assignees were set using the CODEOWNERS file.