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Commit 80dcbd12 authored by WANG Cong's avatar WANG Cong Committed by David S. Miller
Browse files

net_sched: fix suspicious RCU usage in cls_bpf_classify() 



Fixes: commit 1f947bf1 ("net: sched: rcu'ify cls_bpf")
Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: default avatarCong Wang <xiyou.wangcong@gmail.com>
Acked-by: default avatarJohn Fastabend <john.r.fastabend@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0486b60a

net/sched/cls_bpf.c

+1 −1
Original line number Diff line number Diff line
@@ -52,7 +52,7 @@ static const struct nla_policy bpf_policy[TCA_BPF_MAX + 1] = { 
static int cls_bpf_classify(struct sk_buff *skb, const struct tcf_proto *tp,

			    struct tcf_result *res)

{

	struct cls_bpf_head *head = rcu_dereference(tp->root);

	struct cls_bpf_head *head = rcu_dereference_bh(tp->root);

	struct cls_bpf_prog *prog;

	int ret;