ima_d_path
const char *ima_d_path(const struct path *path, char **pathbuf, char *filename);
*pathname = ima_d_path(&file->f_path, pathbuf,
*pathname = ima_d_path(&file->f_path, pathbuf, filename);
pathname = ima_d_path(&file->f_path, &pathbuf, filename);
pathname = ima_d_path(&file->f_path, &pathbuf, filename);