static int bind(struct socket *sock, struct sockaddr *uaddr, int uaddr_len)
{
struct sockaddr_tipc *addr = (struct sockaddr_tipc *)uaddr;
u32 portref = tipc_sk_port(sock->sk)->ref;
if (unlikely(!uaddr_len))
return tipc_withdraw(portref, 0, NULL);
if (uaddr_len < sizeof(struct sockaddr_tipc))
return -EINVAL;
if (addr->family != AF_TIPC)
return -EAFNOSUPPORT;
if (addr->addrtype == TIPC_ADDR_NAME)
addr->addr.nameseq.upper = addr->addr.nameseq.lower;
else if (addr->addrtype != TIPC_ADDR_NAMESEQ)
return -EAFNOSUPPORT;
if (addr->addr.nameseq.type < TIPC_RESERVED_TYPES)
return -EACCES;
return (addr->scope > 0) ?
tipc_publish(portref, addr->scope, &addr->addr.nameseq) :
tipc_withdraw(portref, -addr->scope, &addr->addr.nameseq);
}
static int bind(struct socket *sock, struct sockaddr *uaddr, int uaddr_len)
{
struct tipc_sock *tsock = tipc_sk(sock->sk);
struct sockaddr_tipc *addr = (struct sockaddr_tipc *)uaddr;
int res;
if (down_interruptible(&tsock->sem))
return -ERESTARTSYS;
if (unlikely(!uaddr_len)) {
res = tipc_withdraw(tsock->p->ref, 0, NULL);
goto exit;
}
if (uaddr_len < sizeof(struct sockaddr_tipc)) {
res = -EINVAL;
goto exit;
}
if (addr->family != AF_TIPC) {
res = -EAFNOSUPPORT;
goto exit;
}
if (addr->addrtype == TIPC_ADDR_NAME)
addr->addr.nameseq.upper = addr->addr.nameseq.lower;
else if (addr->addrtype != TIPC_ADDR_NAMESEQ) {
res = -EAFNOSUPPORT;
goto exit;
}
if (addr->scope > 0)
res = tipc_publish(tsock->p->ref, addr->scope,
&addr->addr.nameseq);
else
res = tipc_withdraw(tsock->p->ref, -addr->scope,
&addr->addr.nameseq);
exit:
up(&tsock->sem);
return res;
}
void tipc_cfg_reinit(void)
{
struct tipc_name_seq seq;
int res;
seq.type = TIPC_CFG_SRV;
seq.lower = seq.upper = 0;
tipc_withdraw(config_port_ref, TIPC_ZONE_SCOPE, &seq);
seq.lower = seq.upper = tipc_own_addr;
res = tipc_publish(config_port_ref, TIPC_ZONE_SCOPE, &seq);
if (res)
pr_err("Unable to reinitialize configuration service\n");
}
