rtl8720dn: improve error handling

tinygo-org / drivers

TinyGo drivers for sensors, displays, wireless adaptors, and other devices that use I2C, SPI, GPIO, ADC, and UART interfaces.

https://tinygo.org

BSD 3-Clause "New" or "Revised" License

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Closed sago35 closed 2 years ago

sago35 commented 2 years ago

This PR improves error handling when trying to access https without calling SetRootCA().

after:

error: Connection failed: root_ca is not set

before:

panic: runtime error: nil pointer dereference

deadprogram commented 2 years ago

Thank you @sago35