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net_sched: fix suspicious RCU usage in cls_bpf_classify() 

Fixes: commit 1f947bf151 ("net: sched: rcu'ify cls_bpf")
Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
WANG Cong 2014-09-15 14:21:50 -07:00 committed by David S. Miller
parent 0486b60a8c
commit 80dcbd12fb
1 changed files with 1 additions and 1 deletions
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2
net/sched/cls_bpf.c
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@ -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, static int cls_bpf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res) 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; struct cls_bpf_prog *prog;
int ret; int ret;