+int compat_sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp)
+{
+ struct compat_timeval __user *ctv =
+ (struct compat_timeval __user*) userstamp;
+ int err = -ENOENT;
+
+ if (!sock_flag(sk, SOCK_TIMESTAMP))
+ sock_enable_timestamp(sk);
+ if (sk->sk_stamp.tv_sec == -1)
+ return err;
+ if (sk->sk_stamp.tv_sec == 0)
+ do_gettimeofday(&sk->sk_stamp);
+ if (put_user(sk->sk_stamp.tv_sec, &ctv->tv_sec) ||
+ put_user(sk->sk_stamp.tv_usec, &ctv->tv_usec))
+ err = -EFAULT;
+ return err;
+}
+EXPORT_SYMBOL(compat_sock_get_timestamp);
+
+asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
+ char __user *optval, int __user *optlen)
+{
+ int err;
+ struct socket *sock;
+
+ if ((sock = sockfd_lookup(fd, &err))!=NULL)
+ {
+ err = security_socket_getsockopt(sock, level,
+ optname);
+ if (err) {
+ sockfd_put(sock);
+ return err;
+ }
+
+ if (level == SOL_SOCKET)
+ err = compat_sock_getsockopt(sock, level,
+ optname, optval, optlen);
+ else if (sock->ops->compat_getsockopt)
+ err = sock->ops->compat_getsockopt(sock, level,
+ optname, optval, optlen);
+ else
+ err = sock->ops->getsockopt(sock, level,
+ optname, optval, optlen);
+ sockfd_put(sock);
+ }
+ return err;
+}