net: fix suspicious rcu_dereference_check in net/sched/sch_fq_codel.c
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@vt.edu>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -94,7 +94,7 @@ static unsigned int fq_codel_classify(struct sk_buff *skb, struct Qdisc *sch,
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TC_H_MIN(skb->priority) <= q->flows_cnt)
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return TC_H_MIN(skb->priority);
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filter = rcu_dereference(q->filter_list);
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filter = rcu_dereference_bh(q->filter_list);
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if (!filter)
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return fq_codel_hash(q, skb) + 1;
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