[Coverity CID :219653] Unchecked return value in drivers/modem/hl7800.c

[zephyrbot]

Static code scan issues found in file:

https://github.com/zephyrproject-rtos/zephyr/tree/bd97359a5338b2542d19011b6d6aa1d8d1b9cc3f/drivers/modem/hl7800.c#L3350

Category: Error handling issues
Function: hl7800_rx
Component: Drivers
CID: 219653

Details:

zephyr/drivers/modem/hl7800.c

Line 3350 in bd97359

k_sem_take(&ictx.mdm_ctx.rx_sem, K_FOREVER);

3344             /* FIRMWARE UPDATE RESPONSES */
3345             CMD_HANDLER("+WDSI: ", device_service_ind),
3346         };
3347    
3348         while (true) {
3349             /* wait for incoming data */
>>>     CID 219653:  Error handling issues  (CHECKED_RETURN)
>>>     Calling "k_sem_take" without checking return value (as is done elsewhere 13 out of 15 times).
3350             k_sem_take(&ictx.mdm_ctx.rx_sem, K_FOREVER);
3351    
3352             hl7800_read_rx(&rx_buf);
3353             /* If an external module hasn't locked the command processor,
3354              * then do so now.
3355              */

Please fix or provide comments in coverity using the link:

https://scan9.coverity.com/reports.htm#v32951/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.