fget_raw
file = fget_raw(*fd);
EXPORT_SYMBOL(fget_raw);
struct file *file = fget_raw(fildes);
param.file = fget_raw(aux);
file = fget_raw(map->fd);
mnt_file = fget_raw(kreq.mnt_fd);
f = fget_raw(fd);
extern struct file *fget_raw(unsigned int fd);
if (fd < 0 || !(file = fget_raw(fd)))