if (version != NFSCTL_VERSION)
return -EINVAL;
- if (cmd < 0 || cmd >= sizeof(map)/sizeof(map[0]) || !map[cmd].name)
+ if (cmd < 0 || cmd >= ARRAY_SIZE(map) || !map[cmd].name)
return -EINVAL;
file = do_open(map[cmd].name, map[cmd].rsize ? O_RDWR : O_WRONLY);