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sctp: Always pass skbs on a list to sctp_ulpq_tail_event(). 

This way we can simplify the logic and remove assumptions
about the implementation of skb lists.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Miller 2019-04-11 15:01:57 -07:00 committed by David S. Miller
parent 0eff105243
commit 925b937422
1 changed files with 10 additions and 6 deletions
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16
net/sctp/ulpqueue.c
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@ -738,19 +738,19 @@ void sctp_ulpq_reasm_flushtsn(struct sctp_ulpq *ulpq, __u32 fwd_tsn)
static void sctp_ulpq_reasm_drain(struct sctp_ulpq *ulpq)
{
struct sctp_ulpevent *event = NULL;
struct sk_buff_head temp;
if (skb_queue_empty(&ulpq->reasm))
return;
while ((event = sctp_ulpq_retrieve_reassembled(ulpq)) != NULL) {
/* Do ordering if needed. */
if (event->msg_flags & MSG_EOR) {
skb_queue_head_init(&temp);
__skb_queue_tail(&temp, sctp_event2skb(event));
struct sk_buff_head temp;
skb_queue_head_init(&temp);
__skb_queue_tail(&temp, sctp_event2skb(event));
/* Do ordering if needed. */
if (event->msg_flags & MSG_EOR)
event = sctp_ulpq_order(ulpq, event);
}
/* Send event to the ULP. 'event' is the
* sctp_ulpevent for very first SKB on the temp' list.
@ -1082,6 +1082,10 @@ void sctp_ulpq_partial_delivery(struct sctp_ulpq *ulpq,
event = sctp_ulpq_retrieve_first(ulpq);
/* Send event to the ULP. */
if (event) {
struct sk_buff_head temp;
skb_queue_head_init(&temp);
__skb_queue_tail(&temp, sctp_event2skb(event));
sctp_ulpq_tail_event(ulpq, event);
sctp_ulpq_set_pd(ulpq);
return;