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| author | Jamal Hadi Salim <jhs@mojatatu.com> | 2023-01-01 16:57:43 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-01-02 13:32:43 +0000 |
| commit | a2965c7be0522eaa18808684b7b82b248515511b (patch) | |
| tree | a88afda157a06b9bb015fb7f415c4754c6be8758 | |
| parent | 91e2286160edd29d3fea8efff2dcda7df321878d (diff) | |
| download | iwlwifi-next-a2965c7be0522eaa18808684b7b82b248515511b.tar.gz | |
net: sched: atm: dont intepret cls results when asked to drop
If asked to drop a packet via TC_ACT_SHOT it is unsafe to assume
res.class contains a valid pointer
Fixes: b0188d4dbe5f ("[NET_SCHED]: sch_atm: Lindent")
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/sched/sch_atm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c index f52255fea652be..4a981ca90b0bfe 100644 --- a/net/sched/sch_atm.c +++ b/net/sched/sch_atm.c @@ -393,10 +393,13 @@ static int atm_tc_enqueue(struct sk_buff *skb, struct Qdisc *sch, result = tcf_classify(skb, NULL, fl, &res, true); if (result < 0) continue; + if (result == TC_ACT_SHOT) + goto done; + flow = (struct atm_flow_data *)res.class; if (!flow) flow = lookup_flow(sch, res.classid); - goto done; + goto drop; } } flow = NULL; |