summaryrefslogtreecommitdiffstats
path: root/net/sched/act_ipt.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/sched/act_ipt.c')
-rw-r--r--net/sched/act_ipt.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 0dc787a57798..51f235bbeb5b 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -222,8 +222,8 @@ static int tcf_xt_init(struct net *net, struct nlattr *nla,
bind);
}
-static int tcf_ipt(struct sk_buff *skb, const struct tc_action *a,
- struct tcf_result *res)
+static int tcf_ipt_act(struct sk_buff *skb, const struct tc_action *a,
+ struct tcf_result *res)
{
int ret = 0, result = 0;
struct tcf_ipt *ipt = to_ipt(a);
@@ -288,6 +288,7 @@ static int tcf_ipt_dump(struct sk_buff *skb, struct tc_action *a, int bind,
* for foolproof you need to not assume this
*/
+ spin_lock_bh(&ipt->tcf_lock);
t = kmemdup(ipt->tcfi_t, ipt->tcfi_t->u.user.target_size, GFP_ATOMIC);
if (unlikely(!t))
goto nla_put_failure;
@@ -307,10 +308,12 @@ static int tcf_ipt_dump(struct sk_buff *skb, struct tc_action *a, int bind,
if (nla_put_64bit(skb, TCA_IPT_TM, sizeof(tm), &tm, TCA_IPT_PAD))
goto nla_put_failure;
+ spin_unlock_bh(&ipt->tcf_lock);
kfree(t);
return skb->len;
nla_put_failure:
+ spin_unlock_bh(&ipt->tcf_lock);
nlmsg_trim(skb, b);
kfree(t);
return -1;
@@ -345,7 +348,7 @@ static struct tc_action_ops act_ipt_ops = {
.kind = "ipt",
.type = TCA_ACT_IPT,
.owner = THIS_MODULE,
- .act = tcf_ipt,
+ .act = tcf_ipt_act,
.dump = tcf_ipt_dump,
.cleanup = tcf_ipt_release,
.init = tcf_ipt_init,
@@ -403,7 +406,7 @@ static struct tc_action_ops act_xt_ops = {
.kind = "xt",
.type = TCA_ACT_XT,
.owner = THIS_MODULE,
- .act = tcf_ipt,
+ .act = tcf_ipt_act,
.dump = tcf_ipt_dump,
.cleanup = tcf_ipt_release,
.init = tcf_xt_init,
OpenPOWER on IntegriCloud