From: Cong Wang <xiyou.wangc...@gmail.com>
Date: Tue, 25 Aug 2015 16:38:12 -0700
> In commit 1e052be69d04 ("net_sched: destroy proto tp when all filters are
> gone")
> I added a check in u32_destroy() to see if all real filters are gone
> for each tp, however, that is only done for root_ht, same is needed
> for others.
>
> This can be reproduced by the following tc commands:
>
> tc filter add dev eth0 parent 1:0 prio 5 handle 15: protocol ip u32 divisor
> 256
> tc filter add dev eth0 protocol ip parent 1: prio 5 handle 15:2:2 u32
> ht 15:2: match ip src 10.0.0.2 flowid 1:10
> tc filter add dev eth0 protocol ip parent 1: prio 5 handle 15:2:3 u32
> ht 15:2: match ip src 10.0.0.3 flowid 1:10
>
> Fixes: 1e052be69d04 ("net_sched: destroy proto tp when all filters are gone")
> Reported-by: Akshat Kakkar <akshat.1...@gmail.com>
> Cc: Jamal Hadi Salim <j...@mojatatu.com>
> Signed-off-by: Cong Wang <xiyou.wangc...@gmail.com>
> Signed-off-by: Cong Wang <cw...@twopensource.com>
Applied and queued up for -stable, thanks.
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