[Coverity CID :208407] Unsigned compared against 0 in drivers/modem/modem_pin.c

[zephyrbot]

Static code scan issues found in file:

https://github.com/zephyrproject-rtos/zephyr/tree/93b78b7bf8bfad75196de969a7487f95f235aad3/drivers/modem/modem_pin.c#L41

Category: Control flow issues
Function: modem_pin_config
Component: Drivers
CID: 208407

Details:

35         return gpio_pin_set_raw(ctx->pins[pin].gpio_port_dev,
36                     ctx->pins[pin].pin, value);
37     }
38    
39     int modem_pin_config(struct modem_context *ctx, u32_t pin, bool enable)
40     {
>>>     CID 208407:  Control flow issues  (NO_EFFECT)
>>>     This less-than-zero comparison of an unsigned value is never true. "pin < 0U".
41         if (pin < 0 || pin >= ctx->pins_len) {
42             return -ENODEV;
43         }
44    
45         return gpio_pin_configure(ctx->pins[pin].gpio_port_dev,
46                       ctx->pins[pin].pin,

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.