static int pvc_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
int error;
lock_sock(sk);
error = vcc_setsockopt(sock, level, optname, optval, optlen);
release_sock(sk);
return error;
}
static int svc_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, int optlen)
{
struct sock *sk = sock->sk;
struct atm_vcc *vcc = ATM_SD(sock);
int value, error = 0;
lock_sock(sk);
switch (optname) {
case SO_ATMSAP:
if (level != SOL_ATM || optlen != sizeof(struct atm_sap)) {
error = -EINVAL;
goto out;
}
if (copy_from_user(&vcc->sap, optval, optlen)) {
error = -EFAULT;
goto out;
}
set_bit(ATM_VF_HASSAP, &vcc->flags);
break;
case SO_MULTIPOINT:
if (level != SOL_ATM || optlen != sizeof(int)) {
error = -EINVAL;
goto out;
}
if (get_user(value, (int __user *) optval)) {
error = -EFAULT;
goto out;
}
if (value == 1) {
set_bit(ATM_VF_SESSION, &vcc->flags);
} else if (value == 0) {
clear_bit(ATM_VF_SESSION, &vcc->flags);
} else {
error = -EINVAL;
}
break;
default:
error = vcc_setsockopt(sock, level, optname,
optval, optlen);
}
out:
release_sock(sk);
return error;
}
