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Date:   Wed, 13 Feb 2019 15:55:12 +0100
From:   Johannes Berg <>
To:     Herbert Xu <>,
        David Miller <>,,,,
Subject: Re: [v2 PATCH 0/4] mac80211: Fix incorrect usage of rhashtable walk

On Wed, 2019-02-13 at 22:38 +0800, Herbert Xu wrote:
> Hi:
> The first two patches in this series are bug fixes and should be
> backported to stable.
> They fixes a number of issues with the use of the rhashtable API
> in mac80211.  First of all it converts the use of rashtable walks over
> to a simple linked list.  This is because an rhashtable walk is
> inherently unstable and not meant for uses that require stability,
> e.g., when you're trying to lookup an object to delete.
> It also fixes a potential memory leak when the rhashtable insertion
> fails (which can occur due to OOM).

Thanks a lot Herbert! That looks simpler than I thought it would be.


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