Re: [PATCH v5 05/14] software node: clean up property_copy_string_array()

[Andy Shevchenko]

On Tue, Oct 15, 2019 at 11:12:11AM -0700, Dmitry Torokhov wrote:
> On Tue, Oct 15, 2019 at 03:07:26PM +0300, Andy Shevchenko wrote:
> > On Fri, Oct 11, 2019 at 04:07:12PM -0700, Dmitry Torokhov wrote:
> > > Because property_copy_string_array() stores the newly allocated pointer in the
> > > destination property, we have an awkward code in property_entry_copy_data()
> > > where we fetch the new pointer from dst.
> > 
> > I don't see a problem in this function.
> > 
> > Rather 'awkward code' is a result of use property_set_pointer() which relies on
> > data type.
> 
> No, the awkwardness is that we set the pointer once in
> property_copy_string_array(), then fetch it in
> property_entry_copy_data() only to set it again via
> property_set_pointer().

Yes, since property_set_pointer is called independently
on the type of the value.


> This is confising and awkward and I believe it
> is cleaner for property_copy_string_array() to give a pointer to a copy
> of a string array, and then property_entry_copy_data() use it when
> handling the destination structure.

We probably need a 3rd opinion here.

-- 
With Best Regards,
Andy Shevchenko