From: Paul Blakey <>
Date: Wed,  7 Mar 2018 16:00:11 +0200

> On our mlx5 driver fs_core.c, we use the rhltable interface to store
> flow groups. We noticed that sometimes we get a warning that flow group isn't
> found at removal. This rare case was caused when a specific scenario happened,
> insertion of a flow group with a similar match criteria (a duplicate),
> but only where the flow group rhash_head was second (or not first)
> on the relevant rhashtable bucket list.
> The first patch fixes it, and the second one adds a test that show
> it is now working.
> Paul.
> v4 --> v3 changes:
>     * Added Herbert Xu's ack (thanks)
>     * Removed extra commit tags

I already applied v3, sorry.  But I did add Herbert's ACKs.

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