[nrf fromtree] net: config: Fix IPv6 setup when DAD is unused and...

When the dupplicate address detection mechanism is not used, we should
not wait for IPv6 address configuration. Because of the bug we are
waiting for it, when CONFIG_NET_CONFIG_MY_IVP6_ADDR is not set.
This commit fixes it.

Signed-off-by: Lukasz Maciejonczyk <[email protected]>
(cherry-picked from commit 6edf5bd)

Author: lmaciejonczyk

subsys/net/lib/config/init.c

@@ -250,7 +250,7 @@ static void setup_ipv6(struct net_if *iface, uint32_t flags)
 
 	if (sizeof(CONFIG_NET_CONFIG_MY_IPV6_ADDR) == 1) {
 		/* Empty address, skip setting ANY address in this case */
-		return;
+		goto exit;
 	}
 
 	if (net_addr_pton(AF_INET6, CONFIG_NET_CONFIG_MY_IPV6_ADDR, &laddr)) {
@@ -282,6 +282,8 @@ static void setup_ipv6(struct net_if *iface, uint32_t flags)
 		}
 	}
 
+exit:
+
 #if !defined(CONFIG_NET_IPV6_DAD)
 	services_notify_ready(NET_CONFIG_NEED_IPV6);
 #endif