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LwIpIntfDev.end() check _started to prevent crash #2304

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Merged
merged 1 commit into from
Jul 27, 2024
Merged

LwIpIntfDev.end() check _started to prevent crash #2304

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20 changes: 11 additions & 9 deletions libraries/lwIP_Ethernet/src/LwipIntfDev.h
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Original file line number Diff line number Diff line change
Expand Up @@ -427,18 +427,20 @@ bool LwipIntfDev<RawDev>::begin(const uint8_t* macAddress, const uint16_t mtu) {

template<class RawDev>
void LwipIntfDev<RawDev>::end() {
if (_intrPin < 0) {
__removeEthernetPacketHandler(_phID);
} else {
detachInterrupt(_intrPin);
__removeEthernetGPIO(_intrPin);
}
if (_started) {
if (_intrPin < 0) {
__removeEthernetPacketHandler(_phID);
} else {
detachInterrupt(_intrPin);
__removeEthernetGPIO(_intrPin);
}

RawDev::end();
RawDev::end();

netif_remove(&_netif);
netif_remove(&_netif);

_started = false;
_started = false;
}
}

template<class RawDev>
Expand Down