54   a->fd = -1;  in sysfs_init()
61   if (a->fd >= 0)  in sysfs_flush_cache()
63       close(a->fd);  in sysfs_flush_cache()
64       a->fd = -1;  in sysfs_flush_cache()
96   int fd, n;  in sysfs_get_string()  local
101   fd = open(namebuf, O_RDONLY);  in sysfs_get_string()
102   if (fd < 0)  in sysfs_get_string()
108   n = read(fd, buf, OBJBUFSIZE);  in sysfs_get_string()
110   close(fd);  in sysfs_get_string()
532   if (a->fd < 0)  in sysfs_setup()
536       a->fd = open(namebuf, a->fd_rw ? O_RDWR : O_RDONLY);  in sysfs_setup()
537       if (a->fd < 0)  in sysfs_setup()
540   return a->fd;  in sysfs_setup()
545   int fd = sysfs_setup(d, SETUP_READ_CONFIG);  in sysfs_read()  local
548   if (fd < 0)  in sysfs_read()
550   res = pread(fd, buf, len, pos);  in sysfs_read()
563   int fd = sysfs_setup(d, SETUP_WRITE_CONFIG);  in sysfs_write()  local
566   if (fd < 0)  in sysfs_write()
568   res = pwrite(fd, buf, len, pos);  in sysfs_write()
584   int fd = sysfs_setup(d, SETUP_READ_VPD);  in sysfs_read_vpd()  local
587   if (fd < 0)  in sysfs_read_vpd()
589   res = pread(fd, buf, len, pos);  in sysfs_read_vpd()