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Diffstat (limited to 'net/sched/cls_flow.c')
-rw-r--r--net/sched/cls_flow.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index fbfec6a18839..2c1ae549edbf 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -418,10 +418,12 @@ static int flow_change(struct net *net, struct sk_buff *in_skb,
return -EOPNOTSUPP;
}
- tcf_exts_init(&e, TCA_FLOW_ACT, TCA_FLOW_POLICE);
+ err = tcf_exts_init(&e, TCA_FLOW_ACT, TCA_FLOW_POLICE);
+ if (err < 0)
+ goto err1;
err = tcf_exts_validate(net, tp, tb, tca[TCA_RATE], &e, ovr);
if (err < 0)
- return err;
+ goto err1;
err = tcf_em_tree_validate(tp, tb[TCA_FLOW_EMATCHES], &t);
if (err < 0)
@@ -432,13 +434,15 @@ static int flow_change(struct net *net, struct sk_buff *in_skb,
if (!fnew)
goto err2;
- tcf_exts_init(&fnew->exts, TCA_FLOW_ACT, TCA_FLOW_POLICE);
+ err = tcf_exts_init(&fnew->exts, TCA_FLOW_ACT, TCA_FLOW_POLICE);
+ if (err < 0)
+ goto err3;
fold = (struct flow_filter *)*arg;
if (fold) {
err = -EINVAL;
if (fold->handle != handle && handle)
- goto err2;
+ goto err3;
/* Copy fold into fnew */
fnew->tp = fold->tp;
@@ -458,31 +462,31 @@ static int flow_change(struct net *net, struct sk_buff *in_skb,
if (tb[TCA_FLOW_MODE])
mode = nla_get_u32(tb[TCA_FLOW_MODE]);
if (mode != FLOW_MODE_HASH && nkeys > 1)
- goto err2;
+ goto err3;
if (mode == FLOW_MODE_HASH)
perturb_period = fold->perturb_period;
if (tb[TCA_FLOW_PERTURB]) {
if (mode != FLOW_MODE_HASH)
- goto err2;
+ goto err3;
perturb_period = nla_get_u32(tb[TCA_FLOW_PERTURB]) * HZ;
}
} else {
err = -EINVAL;
if (!handle)
- goto err2;
+ goto err3;
if (!tb[TCA_FLOW_KEYS])
- goto err2;
+ goto err3;
mode = FLOW_MODE_MAP;
if (tb[TCA_FLOW_MODE])
mode = nla_get_u32(tb[TCA_FLOW_MODE]);
if (mode != FLOW_MODE_HASH && nkeys > 1)
- goto err2;
+ goto err3;
if (tb[TCA_FLOW_PERTURB]) {
if (mode != FLOW_MODE_HASH)
- goto err2;
+ goto err3;
perturb_period = nla_get_u32(tb[TCA_FLOW_PERTURB]) * HZ;
}
@@ -542,6 +546,8 @@ static int flow_change(struct net *net, struct sk_buff *in_skb,
call_rcu(&fold->rcu, flow_destroy_filter);
return 0;
+err3:
+ tcf_exts_destroy(&fnew->exts);
err2:
tcf_em_tree_destroy(&t);
kfree(fnew);