AP_IOMCU: convert_pin_number leaves input untouched on failure

This commit is contained in:
Randy Mackay 2022-04-21 09:45:10 +09:00
parent 97406f09a8
commit 6a07a3a981
1 changed files with 1 additions and 4 deletions

View File

@ -1073,13 +1073,10 @@ bool AP_IOMCU::valid_GPIO_pin(uint8_t pin) const
// convert external pin numbers 101 to 108 to internal 0 to 7 // convert external pin numbers 101 to 108 to internal 0 to 7
bool AP_IOMCU::convert_pin_number(uint8_t& pin) const bool AP_IOMCU::convert_pin_number(uint8_t& pin) const
{ {
if (pin < 101) { if (pin < 101 || pin > 108) {
return false; return false;
} }
pin -= 101; pin -= 101;
if (pin > 7) {
return false;
}
return true; return true;
} }