Re: block-rbd: One function call less in rbd_dev_probe_parent() after error detection

[SF Markus Elfring]

>> I interpreted the eventual passing of a null pointer to the rbd_dev_destroy()
>> function as an indication for further source code adjustments.
> 
> If all error paths could be adjusted so that NULL pointers are never passed in,
> destroy functions wouldn't need to have a NULL check, would they?

How do you think about to clarify corresponding implementation details a bit more?

* Why was the function "rbd_dev_probe_parent" implemented in the way
  that it relies on a sanity check in the function "rbd_dev_destroy" then?
* How are the chances to restructure the source code a bit (like changing a few
  jump labels) so that it should also work without an extra function call
  during error handling there?

Regards,
Markus
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/