Merge pull request #698 from MarcelRobitaille/pinmode-guard-range

facchinm · web-flow · commit f57f3fc1de1d · 2023-07-03T09:59:26.000+02:00
Add guard for pin in range in pinMode
diff --git a/cores/arduino/wiring_digital.cpp b/cores/arduino/wiring_digital.cpp
@@ -51,6 +51,9 @@ void pinMode(PinName pin, PinMode mode)
 
 void pinMode(pin_size_t pin, PinMode mode)
 {
+  if (pin >= PINS_COUNT) {
+    return;
+  }
   mbed::DigitalInOut* gpio = digitalPinToGpio(pin);
   if (gpio != NULL) {
     delete gpio;

Original file line number	Diff line number	Diff line change
`@@ -51,6 +51,9 @@ void pinMode(PinName pin, PinMode mode)`
`51`	`51`
`52`	`52`	`void pinMode(pin_size_t pin, PinMode mode)`
`53`	`53`	`{`
	`54`	`+ if (pin >= PINS_COUNT) {`
	`55`	`+ return;`
	`56`	`+ }`
`54`	`57`	`mbed::DigitalInOut* gpio = digitalPinToGpio(pin);`
`55`	`58`	`if (gpio != NULL) {`
`56`	`59`	`delete gpio;`