On 18/12/2020 22:13, Daniel Scally wrote:

>>> +                   break;
>>> +           }
>>> +
>>> +           /* No more endpoints for that port, so stop passing old */
>>> +           old = NULL;
>>
>> I wonder if you could drop the 'old' variable and use 'enpoint' in the
>> call to software_node_get_next_child(). You could then drop these two
>> lines.
> 
> That won't work, because endpoint would at that point not be a child of
> the port we're passing, and the function relies on it being one:
> 
>       if (!p || list_empty(&p->children) ||
>           (c && list_is_last(&c->entry, &p->children))) {
>               fwnode_handle_put(child);
>               return NULL;
>       }
> 

Wait, that's nonsense of course, because endpoint gets set to NULL when
software_node_get_next_child() finds nothing - I'll double check but
pretty sure you're right.

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