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net: if: No error if mcast group join fails because iface down

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If we fail to join all nodes or solicit node multicast groups
when the interface is down, then there is no need to print an
error message. The groups are automatically re-joined when the
interface comes up.

Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
This commit is contained in:
Jukka Rissanen 2024-04-03 09:47:19 +03:00 committed by Carles Cufí
parent cc2898e6fe
commit 83d879bb1a
1 changed files with 7 additions and 5 deletions
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6
subsys/net/ip/net_if.c
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@ -1104,7 +1104,7 @@ static void join_mcast_allnodes(struct net_if *iface)
net_ipv6_addr_create_ll_allnodes_mcast(&addr);
ret = net_ipv6_mld_join(iface, &addr);
if (ret < 0 && ret != -EALREADY) {
if (ret < 0 && ret != -EALREADY && ret != -ENETDOWN) {
NET_ERR("Cannot join all nodes address %s for %d (%d)",
net_sprint_ipv6_addr(&addr),
net_if_get_by_iface(iface), ret);
@ -1121,10 +1121,12 @@ static void join_mcast_solicit_node(struct net_if *iface,
net_ipv6_addr_create_solicited_node(my_addr, &addr);
ret = net_ipv6_mld_join(iface, &addr);
if (ret < 0 && ret != -EALREADY) {
if (ret < 0) {
if (ret != -EALREADY && ret != -ENETDOWN) {
NET_ERR("Cannot join solicit node address %s for %d (%d)",
net_sprint_ipv6_addr(&addr),
net_if_get_by_iface(iface), ret);
}
} else {
NET_DBG("Join solicit node address %s (ifindex %d)",
net_sprint_ipv6_addr(&addr),