Re: [PATCH 05/18] media: v4l: async: Clean testing for duplicated async subdevs

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Hi Laurent,

On Tue, Apr 25, 2023 at 04:15:41AM +0300, Laurent Pinchart wrote:
> Hi Sakari,
> 
> Thank you for the patch.
> 
> On Thu, Mar 30, 2023 at 02:58:40PM +0300, Sakari Ailus wrote:
> > There's a need to verify that a single async sub-device isn't being added
> > multiple times, this would be an error. This takes place at the time of
> > adding the async sub-device to the notifier's list as well as when the
> > notifier is added to the global notifier's list.
> > 
> > Use the pointer to the sub-device for testing this instead of an index to
> > an array that is long gone.
> 
> Reading the patch, I have no idea what the "long gone array" is. Could
> you please expand the commit message to make this easier to review ?

Yes... the async sub-devices were placed in an array earlier, that's what
the index was referring to. Although this could be an entry in a linked
list. Not how they are usually referred to though. This will go away
permanently later on in the set.

I'll add this to the commit message.

> v4l2-async is very difficult to follow in general, reviewing this series
> is painful :-S Let's try to improve it with better commit messages.

-- 
Regards,

Sakari Ailus



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