netdev - Re: [PATCH v5 net-next 1/1] net sched actions: fix GETing actions

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Message-Id: <20160920.233735.1869769605376182094.davem@davemloft.net>
Date:   Tue, 20 Sep 2016 23:37:35 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     jhs@...atatu.com
Cc:     netdev@...r.kernel.org, xiyou.wangcong@...il.com
Subject: Re: [PATCH v5 net-next 1/1] net sched actions: fix GETing actions

From: Jamal Hadi Salim <jhs@...atatu.com>
Date: Mon, 19 Sep 2016 19:02:51 -0400

> From: Jamal Hadi Salim <jhs@...atatu.com>
> 
> With the batch changes that translated transient actions into
> a temporary list lost in the translation was the fact that
> tcf_action_destroy() will eventually delete the action from
> the permanent location if the refcount is zero.
> 
> Example of what broke:
> ...add a gact action to drop
> sudo $TC actions add action drop index 10
> ...now retrieve it, looks good
> sudo $TC actions get action gact index 10
> ...retrieve it again and find it is gone!
> sudo $TC actions get action gact index 10
> 
> Fixes: 22dc13c837c3 ("net_sched: convert tcf_exts from list to pointer array"),
> Fixes: 824a7e8863b3 ("net_sched: remove an unnecessary list_del()")
> Fixes: f07fed82ad79 ("net_sched: remove the leftover cleanup_a()")
> 
> Acked-by: Cong Wang <xiyou.wangcong@...il.com>
> Signed-off-by: Jamal Hadi Salim <jhs@...atatu.com>

Applied.