28 	int fd;  in read_msr()  local
32 	fd = open(msr_file_name, O_RDONLY);  in read_msr()
33 	if (fd < 0)  in read_msr()
35 	if (lseek(fd, idx, SEEK_CUR) == -1)  in read_msr()
37 	if (read(fd, val, sizeof *val) != sizeof *val)  in read_msr()
39 	close(fd);  in read_msr()
42 	close(fd);  in read_msr()
57 	int fd;  in write_msr()  local
61 	fd = open(msr_file_name, O_WRONLY);  in write_msr()
62 	if (fd < 0)  in write_msr()
64 	if (lseek(fd, idx, SEEK_CUR) == -1)  in write_msr()
66 	if (write(fd, &val, sizeof val) != sizeof val)  in write_msr()
68 	close(fd);  in write_msr()
71 	close(fd);  in write_msr()