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net: if: Skip error print for already joined mcast group

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No need to print error if we have already joined a pre-defined
multicast group.

Change-Id: I1237d5fbf0b63267ccb00432522513358c48d31d
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2017-03-09 15:45:34 +02:00
commit a060553666
1 changed files with 2 additions and 2 deletions
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4
subsys/net/ip/net_if.c
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@ -336,7 +336,7 @@ 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) {
if (ret < 0 && ret != -EALREADY) {
NET_ERR("Cannot join all nodes address %s (%d)",
net_sprint_ipv6_addr(&addr), ret);
}
@ -352,7 +352,7 @@ 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) {
if (ret < 0 && ret != -EALREADY) {
NET_ERR("Cannot join solicit node address %s (%d)",
net_sprint_ipv6_addr(&addr), ret);
}