diff options
Diffstat (limited to 'drivers/net/ipvlan/ipvlan_core.c')
| -rw-r--r-- | drivers/net/ipvlan/ipvlan_core.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c index 568628f95aa2..b7877a194cfe 100644 --- a/drivers/net/ipvlan/ipvlan_core.c +++ b/drivers/net/ipvlan/ipvlan_core.c @@ -92,9 +92,9 @@ void ipvlan_ht_addr_del(struct ipvl_addr *addr, bool sync) synchronize_rcu(); } -bool ipvlan_addr_busy(struct ipvl_dev *ipvlan, void *iaddr, bool is_v6) +struct ipvl_addr *ipvlan_find_addr(const struct ipvl_dev *ipvlan, + const void *iaddr, bool is_v6) { - struct ipvl_port *port = ipvlan->port; struct ipvl_addr *addr; list_for_each_entry(addr, &ipvlan->addrs, anode) { @@ -102,12 +102,21 @@ bool ipvlan_addr_busy(struct ipvl_dev *ipvlan, void *iaddr, bool is_v6) ipv6_addr_equal(&addr->ip6addr, iaddr)) || (!is_v6 && addr->atype == IPVL_IPV4 && addr->ip4addr.s_addr == ((struct in_addr *)iaddr)->s_addr)) - return true; + return addr; } + return NULL; +} - if (ipvlan_ht_addr_lookup(port, iaddr, is_v6)) - return true; +bool ipvlan_addr_busy(struct ipvl_port *port, void *iaddr, bool is_v6) +{ + struct ipvl_dev *ipvlan; + + ASSERT_RTNL(); + list_for_each_entry(ipvlan, &port->ipvlans, pnode) { + if (ipvlan_find_addr(ipvlan, iaddr, is_v6)) + return true; + } return false; } |