diff options
| author | Patrick McHardy | 2006-01-09 07:15:34 +0100 |
|---|---|---|
| committer | David S. Miller | 2006-01-09 23:16:08 +0100 |
| commit | f43c5a0df38e12f53a3023175a12da9b7ef0df63 (patch) | |
| tree | 9568a14353e93cffc0f59525c069b68305479520 /net/sched/ipt.c | |
| parent | [PKT_SCHED]: Use USEC_PER_SEC (diff) | |
| download | kernel-qcow2-linux-f43c5a0df38e12f53a3023175a12da9b7ef0df63.tar.gz kernel-qcow2-linux-f43c5a0df38e12f53a3023175a12da9b7ef0df63.tar.xz kernel-qcow2-linux-f43c5a0df38e12f53a3023175a12da9b7ef0df63.zip | |
[PKT_SCHED]: Convert tc action functions to single skb pointers
tcf_action_exec only gets a single skb pointer and doesn't own the skb,
but passes double skb pointers (to a local variable) to the action
functions. Change to use single skb pointers everywhere.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/ipt.c')
| -rw-r--r-- | net/sched/ipt.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/sched/ipt.c b/net/sched/ipt.c index f50136eed211..b5001939b74b 100644 --- a/net/sched/ipt.c +++ b/net/sched/ipt.c @@ -201,11 +201,10 @@ tcf_ipt_cleanup(struct tc_action *a, int bind) } static int -tcf_ipt(struct sk_buff **pskb, struct tc_action *a, struct tcf_result *res) +tcf_ipt(struct sk_buff *skb, struct tc_action *a, struct tcf_result *res) { int ret = 0, result = 0; struct tcf_ipt *p = PRIV(a, ipt); - struct sk_buff *skb = *pskb; if (skb_cloned(skb)) { if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) @@ -222,6 +221,9 @@ tcf_ipt(struct sk_buff **pskb, struct tc_action *a, struct tcf_result *res) worry later - danger - this API seems to have changed from earlier kernels */ + /* iptables targets take a double skb pointer in case the skb + * needs to be replaced. We don't own the skb, so this must not + * happen. The pskb_expand_head above should make sure of this */ ret = p->t->u.kernel.target->target(&skb, skb->dev, NULL, p->hook, p->t->data, NULL); switch (ret) { |