platform: platform_uart_setup handles null ptr

nodemcu / nodemcu-firmware

Lua based interactive firmware for ESP8266, ESP8285 and ESP32

https://nodemcu.readthedocs.io

MIT License

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platform: platform_uart_setup handles null ptr #3539

Closed jasaw closed 1 year ago

jasaw commented 1 year ago

uart_pins_t* pins input parameter is supposed to accept a null pointer as well, but the code dereferences the pins pointer without checking whether pins is null or not.

This PR fixes it.

@jmattsson Please review.

jmattsson commented 1 year ago

Looks rather needed, thanks!