cmsg_ptr 2516 net/socket.c unsigned long cmsg_ptr; cmsg_ptr 2521 net/socket.c cmsg_ptr = (unsigned long)msg_sys->msg_control; cmsg_ptr 2546 net/socket.c err = __put_user((unsigned long)msg_sys->msg_control - cmsg_ptr, cmsg_ptr 2549 net/socket.c err = __put_user((unsigned long)msg_sys->msg_control - cmsg_ptr,