diff options
Diffstat (limited to 'lib/route/link/veth.c')
| -rw-r--r-- | lib/route/link/veth.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/lib/route/link/veth.c b/lib/route/link/veth.c index 5282ccb..2ce3cff 100644 --- a/lib/route/link/veth.c +++ b/lib/route/link/veth.c @@ -165,6 +165,18 @@ static int veth_alloc(struct rtnl_link *link) return 0; } +static void veth_free(struct rtnl_link *link) +{ + struct rtnl_link *peer = rtnl_link_veth_get_peer(link); + if (peer) { + link->l_info = NULL; + /* avoid calling this recursively */ + peer->l_info = NULL; + rtnl_link_put(peer); + } + /* the caller should finally free link */ +} + static struct rtnl_link_info_ops veth_info_ops = { .io_name = "veth", .io_parse = veth_parse, @@ -175,6 +187,7 @@ static struct rtnl_link_info_ops veth_info_ops = { .io_alloc = veth_alloc, .io_clone = veth_clone, .io_put_attrs = veth_put_attrs, + .io_free = veth_free, }; /** @cond SKIP */ @@ -228,8 +241,7 @@ struct rtnl_link *rtnl_link_veth_get_peer(struct rtnl_link *link) */ void rtnl_link_veth_release(struct rtnl_link *link) { - struct rtnl_link *peer = rtnl_link_veth_get_peer(link); - rtnl_link_put(peer); + veth_free(link); rtnl_link_put(link); } @@ -276,9 +288,7 @@ int rtnl_link_veth_add(struct nl_sock *sock, const char *name, rtnl_link_set_ns_pid(peer, pid); err = rtnl_link_add(sock, link, NLM_F_CREATE); - rtnl_link_put(peer); rtnl_link_put(link); - return err; } |