struct geneve_sock *geneve_sock_add(struct net *net, __be16 port,
geneve_rcv_t *rcv, void *data,
bool no_share, bool ipv6)
{
struct geneve_sock *gs;
gs = geneve_socket_create(net, port, rcv, data, ipv6);
if (!IS_ERR(gs))
return gs;
if (no_share) /* Return error if sharing is not allowed. */
return ERR_PTR(-EINVAL);
gs = geneve_find_sock(net, port);
if (gs) {
if (gs->rcv == rcv)
atomic_inc(&gs->refcnt);
else
gs = ERR_PTR(-EBUSY);
} else {
gs = ERR_PTR(-EINVAL);
}
return gs;
}
struct geneve_sock *geneve_sock_add(struct net *net, __be16 port,
geneve_rcv_t *rcv, void *data,
bool no_share, bool ipv6)
{
struct geneve_net *gn = net_generic(net, geneve_net_id);
struct geneve_sock *gs;
gs = geneve_socket_create(net, port, rcv, data, ipv6);
if (!IS_ERR(gs))
return gs;
if (no_share) /* Return error if sharing is not allowed. */
return ERR_PTR(-EINVAL);
spin_lock(&gn->sock_lock);
gs = geneve_find_sock(net, port);
if (gs && ((gs->rcv != rcv) ||
!atomic_add_unless(&gs->refcnt, 1, 0)))
gs = ERR_PTR(-EBUSY);
spin_unlock(&gn->sock_lock);
if (!gs)
gs = ERR_PTR(-EINVAL);
return gs;
}
