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Diffstat (limited to 'net/sched/act_gact.c')
-rw-r--r--net/sched/act_gact.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index 661b72b9147d..52a3e474d822 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -113,7 +113,7 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla,
gact = to_gact(*a);
- ASSERT_RTNL();
+ spin_lock(&gact->tcf_lock);
gact->tcf_action = parm->action;
#ifdef CONFIG_GACT_PROB
if (p_parm) {
@@ -126,13 +126,15 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla,
gact->tcfg_ptype = p_parm->ptype;
}
#endif
+ spin_unlock(&gact->tcf_lock);
+
if (ret == ACT_P_CREATED)
tcf_idr_insert(tn, *a);
return ret;
}
-static int tcf_gact(struct sk_buff *skb, const struct tc_action *a,
- struct tcf_result *res)
+static int tcf_gact_act(struct sk_buff *skb, const struct tc_action *a,
+ struct tcf_result *res)
{
struct tcf_gact *gact = to_gact(a);
int action = READ_ONCE(gact->tcf_action);
@@ -178,10 +180,11 @@ static int tcf_gact_dump(struct sk_buff *skb, struct tc_action *a,
.index = gact->tcf_index,
.refcnt = refcount_read(&gact->tcf_refcnt) - ref,
.bindcnt = atomic_read(&gact->tcf_bindcnt) - bind,
- .action = gact->tcf_action,
};
struct tcf_t t;
+ spin_lock(&gact->tcf_lock);
+ opt.action = gact->tcf_action;
if (nla_put(skb, TCA_GACT_PARMS, sizeof(opt), &opt))
goto nla_put_failure;
#ifdef CONFIG_GACT_PROB
@@ -199,9 +202,12 @@ static int tcf_gact_dump(struct sk_buff *skb, struct tc_action *a,
tcf_tm_dump(&t, &gact->tcf_tm);
if (nla_put_64bit(skb, TCA_GACT_TM, sizeof(t), &t, TCA_GACT_PAD))
goto nla_put_failure;
+ spin_unlock(&gact->tcf_lock);
+
return skb->len;
nla_put_failure:
+ spin_unlock(&gact->tcf_lock);
nlmsg_trim(skb, b);
return -1;
}
@@ -248,7 +254,7 @@ static struct tc_action_ops act_gact_ops = {
.kind = "gact",
.type = TCA_ACT_GACT,
.owner = THIS_MODULE,
- .act = tcf_gact,
+ .act = tcf_gact_act,
.stats_update = tcf_gact_stats_update,
.dump = tcf_gact_dump,
.init = tcf_gact_init,
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