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Unverified Commit 34f386a2 authored by Earle F. Philhower, III's avatar Earle F. Philhower, III Committed by GitHub
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LwIpIntfDev.end() check _started to prevent crash (#2304) 

From @JAndrassy https://github.com/esp8266/Arduino/pull/9173
parent dd1c9095
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Showing with 11 additions and 9 deletions
libraries/lwIP_Ethernet/src/LwipIntfDev.h
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...@@ -427,18 +427,20 @@ bool LwipIntfDev<RawDev>::begin(const uint8_t* macAddress, const uint16_t mtu) { ...@@ -427,18 +427,20 @@ bool LwipIntfDev<RawDev>::begin(const uint8_t* macAddress, const uint16_t mtu) {
template<class RawDev> template<class RawDev>
void LwipIntfDev<RawDev>::end() { void LwipIntfDev<RawDev>::end() {
if (_intrPin < 0) { if (_started) {
__removeEthernetPacketHandler(_phID); if (_intrPin < 0) {
} else { __removeEthernetPacketHandler(_phID);
detachInterrupt(_intrPin); } else {
__removeEthernetGPIO(_intrPin); detachInterrupt(_intrPin);
} __removeEthernetGPIO(_intrPin);
}
RawDev::end(); RawDev::end();
netif_remove(&_netif); netif_remove(&_netif);
_started = false; _started = false;
}
} }
template<class RawDev> template<class RawDev>
......
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