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Diffstat (limited to 'net/sched/cls_cgroup.c')
-rw-r--r--net/sched/cls_cgroup.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 4c85bd3a750c..85233c470035 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -93,7 +93,9 @@ static int cls_cgroup_change(struct net *net, struct sk_buff *in_skb,
if (!new)
return -ENOBUFS;
- tcf_exts_init(&new->exts, TCA_CGROUP_ACT, TCA_CGROUP_POLICE);
+ err = tcf_exts_init(&new->exts, TCA_CGROUP_ACT, TCA_CGROUP_POLICE);
+ if (err < 0)
+ goto errout;
new->handle = handle;
new->tp = tp;
err = nla_parse_nested(tb, TCA_CGROUP_MAX, tca[TCA_OPTIONS],
@@ -101,10 +103,14 @@ static int cls_cgroup_change(struct net *net, struct sk_buff *in_skb,
if (err < 0)
goto errout;
- tcf_exts_init(&e, TCA_CGROUP_ACT, TCA_CGROUP_POLICE);
- err = tcf_exts_validate(net, tp, tb, tca[TCA_RATE], &e, ovr);
+ err = tcf_exts_init(&e, TCA_CGROUP_ACT, TCA_CGROUP_POLICE);
if (err < 0)
goto errout;
+ err = tcf_exts_validate(net, tp, tb, tca[TCA_RATE], &e, ovr);
+ if (err < 0) {
+ tcf_exts_destroy(&e);
+ goto errout;
+ }
err = tcf_em_tree_validate(tp, tb[TCA_CGROUP_EMATCHES], &t);
if (err < 0) {
@@ -120,6 +126,7 @@ static int cls_cgroup_change(struct net *net, struct sk_buff *in_skb,
call_rcu(&head->rcu, cls_cgroup_destroy_rcu);
return 0;
errout:
+ tcf_exts_destroy(&new->exts);
kfree(new);
return err;
}