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Re: [PATCH v2 3/5] mac80211_hwsim: add generation count for netlink dump operation

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Am 11.12.2017 um 13:49 schrieb Johannes Berg:
> On Mon, 2017-12-11 at 13:37 +0100, Benjamin Beichler wrote:
>> Am 11.12.2017 um 13:14 schrieb Johannes Berg:
>>> On Tue, 2017-11-21 at 13:17 +0100, Benjamin Beichler wrote:
>>>> Make the dump operation aware of changes on radio list and corresponding
>>>> inconsistent dumps. Change the dump iteration to be independent from
>>>> increasing radio indices on radio list.
>>> Looks like this should use nl_dump_check_consistent()?
>>>
>>> johannes
>>>
>> It is called in mac80211_hwsim_get_radio, I didn't changed that.
> But you added this:
>
> +       /* list changed */
> +       if (cb->prev_seq && cb->seq != cb->prev_seq)
> +               goto cleanup;
>
> which is mostly just a copy of the inline.
>
> johannes
Year you are right, but for nl_dump_check_consistent() I also need a
header struct to write the flag to it and I thought a ghost header only
to this function is also misleading. But if you think this is better, I
can do that. Or we introduce a function, which really only check
consistency and not also set the flag. I also thought the line is
readable at it's own, because it's simply inconsistent if the sequence
numbers are not equal.

-- 
M.Sc. Benjamin Beichler

Universität Rostock, Fakultät für Informatik und Elektrotechnik
Institut für Angewandte Mikroelektronik und Datentechnik

University of Rostock, Department of CS and EE
Institute of Applied Microelectronics and CE

Richard-Wagner-Straße 31
18119 Rostock
Deutschland/Germany

phone: +49 (0) 381 498 - 7278
email: Benjamin.Beichler@xxxxxxxxxxxxxx
www: http://www.imd.uni-rostock.de/







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