提交 013b96ec 编写于 作者: D David Miller 提交者: David S. Miller

sctp: Pass sk_buff_head explicitly to sctp_ulpq_tail_event().

Now the SKB list implementation assumption can be removed.

And now that we know that the list head is always non-NULL
we can remove the code blocks dealing with that as well.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
Acked-by: NMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 178ca044
......@@ -59,7 +59,7 @@ void sctp_ulpq_free(struct sctp_ulpq *);
int sctp_ulpq_tail_data(struct sctp_ulpq *, struct sctp_chunk *, gfp_t);
/* Add a new event for propagation to the ULP. */
int sctp_ulpq_tail_event(struct sctp_ulpq *, struct sctp_ulpevent *ev);
int sctp_ulpq_tail_event(struct sctp_ulpq *, struct sk_buff_head *skb_list);
/* Renege previously received chunks. */
void sctp_ulpq_renege(struct sctp_ulpq *, struct sctp_chunk *, gfp_t);
......
......@@ -1317,7 +1317,7 @@ static int do_ulpq_tail_event(struct sctp_ulpq *ulpq, struct sctp_ulpevent *even
skb_queue_head_init(&temp);
__skb_queue_tail(&temp, sctp_event2skb(event));
return sctp_ulpq_tail_event(ulpq, event);
return sctp_ulpq_tail_event(ulpq, &temp);
}
static struct sctp_stream_interleave sctp_stream_interleave_0 = {
......
......@@ -130,7 +130,7 @@ int sctp_ulpq_tail_data(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
*/
if (event) {
event_eor = (event->msg_flags & MSG_EOR) ? 1 : 0;
sctp_ulpq_tail_event(ulpq, event);
sctp_ulpq_tail_event(ulpq, &temp);
}
return event_eor;
......@@ -194,18 +194,17 @@ static int sctp_ulpq_clear_pd(struct sctp_ulpq *ulpq)
return sctp_clear_pd(ulpq->asoc->base.sk, ulpq->asoc);
}
/* If the SKB of 'event' is on a list, it is the first such member
* of that list.
*/
int sctp_ulpq_tail_event(struct sctp_ulpq *ulpq, struct sctp_ulpevent *event)
int sctp_ulpq_tail_event(struct sctp_ulpq *ulpq, struct sk_buff_head *skb_list)
{
struct sock *sk = ulpq->asoc->base.sk;
struct sctp_sock *sp = sctp_sk(sk);
struct sk_buff_head *queue, *skb_list;
struct sk_buff *skb = sctp_event2skb(event);
struct sctp_ulpevent *event;
struct sk_buff_head *queue;
struct sk_buff *skb;
int clear_pd = 0;
skb_list = (struct sk_buff_head *) skb->prev;
skb = __skb_peek(skb_list);
event = sctp_skb2event(skb);
/* If the socket is just going to throw this away, do not
* even try to deliver it.
......@@ -258,13 +257,7 @@ int sctp_ulpq_tail_event(struct sctp_ulpq *ulpq, struct sctp_ulpevent *event)
}
}
/* If we are harvesting multiple skbs they will be
* collected on a list.
*/
if (skb_list)
skb_queue_splice_tail_init(skb_list, queue);
else
__skb_queue_tail(queue, skb);
/* Did we just complete partial delivery and need to get
* rolling again? Move pending data to the receive
......@@ -757,7 +750,7 @@ static void sctp_ulpq_reasm_drain(struct sctp_ulpq *ulpq)
* sctp_ulpevent for very first SKB on the temp' list.
*/
if (event)
sctp_ulpq_tail_event(ulpq, event);
sctp_ulpq_tail_event(ulpq, &temp);
}
}
......@@ -957,7 +950,7 @@ static void sctp_ulpq_reap_ordered(struct sctp_ulpq *ulpq, __u16 sid)
if (event) {
/* see if we have more ordered that we can deliver */
sctp_ulpq_retrieve_ordered(ulpq, event);
sctp_ulpq_tail_event(ulpq, event);
sctp_ulpq_tail_event(ulpq, &temp);
}
}
......@@ -1087,7 +1080,7 @@ void sctp_ulpq_partial_delivery(struct sctp_ulpq *ulpq,
skb_queue_head_init(&temp);
__skb_queue_tail(&temp, sctp_event2skb(event));
sctp_ulpq_tail_event(ulpq, event);
sctp_ulpq_tail_event(ulpq, &temp);
sctp_ulpq_set_pd(ulpq);
return;
}
......
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