LwIpIntfDev.end() - check _started to prevent crash

JAndrassy · JAndrassy · commit ad067cebe4b6 · 2024-07-27T18:39:33.000+02:00
diff --git a/cores/esp8266/LwipIntfDev.h b/cores/esp8266/LwipIntfDev.h
@@ -349,9 +349,11 @@ boolean LwipIntfDev<RawDev>::begin(const uint8_t* macAddress, const uint16_t mtu
 template<class RawDev>
 void LwipIntfDev<RawDev>::end()
 {
-    netif_remove(&_netif);
-    _started = false;
-    RawDev::end();
+    if (_started) {
+        netif_remove(&_netif);
+        _started = false;
+        RawDev::end();
+    }
 }
 
 template<class RawDev>

Original file line number	Diff line number	Diff line change
`@@ -349,9 +349,11 @@ boolean LwipIntfDev<RawDev>::begin(const uint8_t* macAddress, const uint16_t mtu`
`349`	`349`	`template<class RawDev>`
`350`	`350`	`void LwipIntfDev<RawDev>::end()`
`351`	`351`	`{`
`352`		`- netif_remove(&_netif);`
`353`		`- _started = false;`
`354`		`- RawDev::end();`
	`352`	`+ if (_started) {`
	`353`	`+ netif_remove(&_netif);`
	`354`	`+ _started = false;`
	`355`	`+ RawDev::end();`
	`356`	`+ }`
`355`	`357`	`}`
`356`	`358`
`357`	`359`	`template<class RawDev>`