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network: ignore requested ipv6 fdb entry when ipv6 is disabled by sysctl

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This commit is contained in:
Yu Watanabe 2019-06-11 23:33:22 +09:00
parent 7ef7e5509b
commit b0ab85a2e4
1 changed files with 6 additions and 1 deletions
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7
src/network/networkd-fdb.c
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@ -124,6 +124,11 @@ int fdb_entry_configure(Link *link, FdbEntry *fdb_entry) {
assert(link->manager);
assert(fdb_entry);
if (fdb_entry->family == AF_INET6 && manager_sysctl_ipv6_enabled(link->manager) == 0) {
log_link_warning(link, "An IPv6 fdb entry is requested, but IPv6 is disabled by sysctl, ignoring.");
return 0;
}
/* create new RTM message */
r = sd_rtnl_message_new_neigh(link->manager->rtnl, &req, RTM_NEWNEIGH, link->ifindex, PF_BRIDGE);
if (r < 0)
@ -169,7 +174,7 @@ int fdb_entry_configure(Link *link, FdbEntry *fdb_entry) {
link_ref(link);
return 0;
return 1;
}
/* remove and FDB entry. */