[nrf fromlist] net: ethernet: Fix invalid conversion error

adigie · adigie · commit ded3d75c5148 · 2025-04-30T16:49:34.000+02:00
Cast `0` to `enum ethernet_hw_caps` before assignment to prevent invalid
conversion error when this header is included in C++ source file.

Upstream PR #: 89332

Signed-off-by: Adrian Gielniewski &lt;adrian.gielniewski@nordicsemi.no&gt;
diff --git a/include/zephyr/net/ethernet.h b/include/zephyr/net/ethernet.h
@@ -954,7 +954,7 @@ enum ethernet_hw_caps net_eth_get_hw_capabilities(struct net_if *iface)
 {
 	const struct device *dev = net_if_get_device(iface);
 	const struct ethernet_api *api = (struct ethernet_api *)dev->api;
-	enum ethernet_hw_caps caps = 0;
+	enum ethernet_hw_caps caps = (enum ethernet_hw_caps)0;
 #if defined(CONFIG_NET_DSA) && !defined(CONFIG_NET_DSA_DEPRECATED)
 	struct ethernet_context *eth_ctx = net_if_l2_data(iface);
 

Original file line number	Diff line number	Diff line change
`@@ -954,7 +954,7 @@ enum ethernet_hw_caps net_eth_get_hw_capabilities(struct net_if *iface)`
`954`	`954`	`{`
`955`	`955`	`const struct device *dev = net_if_get_device(iface);`
`956`	`956`	`const struct ethernet_api api = (struct ethernet_api )dev->api;`
`957`		`- enum ethernet_hw_caps caps = 0;`
	`957`	`+ enum ethernet_hw_caps caps = (enum ethernet_hw_caps)0;`
`958`	`958`	`#if defined(CONFIG_NET_DSA) && !defined(CONFIG_NET_DSA_DEPRECATED)`
`959`	`959`	`struct ethernet_context *eth_ctx = net_if_l2_data(iface);`
`960`	`960`