Ethernet: add nullptr check on returned network interface

pennam · pennam · commit c4c204c9d89e · 2025-08-01T10:15:32.000+02:00
diff --git a/libraries/SocketWrapper/Ethernet.h b/libraries/SocketWrapper/Ethernet.h
@@ -48,7 +48,7 @@ class EthernetClass: public NetworkInterface
         if (device_is_ready(dev)) {
             for (int i = 1; i < 4; i++) {
                 auto _if = net_if_get_by_index(i);
-                if (!net_eth_type_is_wifi(_if)) {
+                if (_if && !net_eth_type_is_wifi(_if)) {
                     netif = _if;
                     break;
                 }

Original file line number	Diff line number	Diff line change
`@@ -48,7 +48,7 @@ class EthernetClass: public NetworkInterface`
`48`	`48`	`if (device_is_ready(dev)) {`
`49`	`49`	`for (int i = 1; i < 4; i++) {`
`50`	`50`	`auto _if = net_if_get_by_index(i);`
`51`		`- if (!net_eth_type_is_wifi(_if)) {`
	`51`	`+ if (_if && !net_eth_type_is_wifi(_if)) {`
`52`	`52`	`netif = _if;`
`53`	`53`	`break;`
`54`	`54`	`}`