long __sys_sendmsg_sock(struct socket *sock, struct msghdr *msg,
unsigned int flags)
{
- /* disallow ancillary data requests from this path */
- if (msg->msg_control || msg->msg_controllen)
- return -EINVAL;
-
return ____sys_sendmsg(sock, msg, flags, NULL, 0);
}
struct user_msghdr __user *umsg,
struct sockaddr __user *uaddr, unsigned int flags)
{
- if (msg->msg_control || msg->msg_controllen) {
- /* disallow ancillary data reqs unless cmsg is plain data */
- if (!(sock->ops->flags & PROTO_CMSG_DATA_ONLY))
- return -EINVAL;
- }
-
return ____sys_recvmsg(sock, msg, umsg, uaddr, flags, 0);
}