diff options
| -rw-r--r-- | net/sched/cls_bpf.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c index 243c9f225a73..5c4171c5d2bd 100644 --- a/net/sched/cls_bpf.c +++ b/net/sched/cls_bpf.c @@ -64,8 +64,10 @@ static int cls_bpf_classify(struct sk_buff *skb, const struct tcf_proto *tp, { struct cls_bpf_head *head = rcu_dereference_bh(tp->root); struct cls_bpf_prog *prog; - int ret; + int ret = -1; + /* Needed here for accessing maps. */ + rcu_read_lock(); list_for_each_entry_rcu(prog, &head->plist, link) { int filter_res = BPF_PROG_RUN(prog->filter, skb); @@ -80,10 +82,11 @@ static int cls_bpf_classify(struct sk_buff *skb, const struct tcf_proto *tp, if (ret < 0) continue; - return ret; + break; } + rcu_read_unlock(); - return -1; + return ret; } static bool cls_bpf_is_ebpf(const struct cls_bpf_prog *prog) |