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Diffstat (limited to 'net/sched/act_simple.c')
-rw-r--r--net/sched/act_simple.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index aa51152e0066..e616523ba3c1 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -28,8 +28,8 @@ static unsigned int simp_net_id;
static struct tc_action_ops act_simp_ops;
#define SIMP_MAX_DATA 32
-static int tcf_simp(struct sk_buff *skb, const struct tc_action *a,
- struct tcf_result *res)
+static int tcf_simp_act(struct sk_buff *skb, const struct tc_action *a,
+ struct tcf_result *res)
{
struct tcf_defact *d = to_defact(a);
@@ -156,10 +156,11 @@ static int tcf_simp_dump(struct sk_buff *skb, struct tc_action *a,
.index = d->tcf_index,
.refcnt = refcount_read(&d->tcf_refcnt) - ref,
.bindcnt = atomic_read(&d->tcf_bindcnt) - bind,
- .action = d->tcf_action,
};
struct tcf_t t;
+ spin_lock_bh(&d->tcf_lock);
+ opt.action = d->tcf_action;
if (nla_put(skb, TCA_DEF_PARMS, sizeof(opt), &opt) ||
nla_put_string(skb, TCA_DEF_DATA, d->tcfd_defdata))
goto nla_put_failure;
@@ -167,9 +168,12 @@ static int tcf_simp_dump(struct sk_buff *skb, struct tc_action *a,
tcf_tm_dump(&t, &d->tcf_tm);
if (nla_put_64bit(skb, TCA_DEF_TM, sizeof(t), &t, TCA_DEF_PAD))
goto nla_put_failure;
+ spin_unlock_bh(&d->tcf_lock);
+
return skb->len;
nla_put_failure:
+ spin_unlock_bh(&d->tcf_lock);
nlmsg_trim(skb, b);
return -1;
}
@@ -203,7 +207,7 @@ static struct tc_action_ops act_simp_ops = {
.kind = "simple",
.type = TCA_ACT_SIMP,
.owner = THIS_MODULE,
- .act = tcf_simp,
+ .act = tcf_simp_act,
.dump = tcf_simp_dump,
.cleanup = tcf_simp_release,
.init = tcf_simp_init,
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