Re: [PATCH] fix suspicious rcu_dereference_check in net/sched/sch_fq_codel.c

From: Eric Dumazet
Date: Tue Dec 09 2014 - 16:42:58 EST


On Tue, 2014-12-09 at 16:15 -0500, Valdis Kletnieks wrote:
> commit 46e5da40ae (net: qdisc: use rcu prefix and silence
> sparse warnings) triggers a spurious warning:
>
> net/sched/sch_fq_codel.c:97 suspicious rcu_dereference_check() usage!
>
> The code should be using the _bh variant of rcu_dereference.
>
> Signed-off-by: Valdis Kletnieks <valdis.kletnieks@xxxxxx>
> ---
> net/sched/sch_fq_codel.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>

Thanks !


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