+ u16 *str;
+
+ /* If dp == NULL output the string '<NULL>' */
+ if (!dp)
+ return string16(buf, end, dp, field_width, precision, flags);
+
+ str = efi_dp_str((struct efi_device_path *)dp);
+ if (!str)
+ return ERR_PTR(-ENOMEM);
+
+ buf = string16(buf, end, str, field_width, precision, flags);
+ efi_free_pool(str);