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sctp: provide consistent stream information in case of early errors

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While there, make sure the function is called correctly.

MFC after:	3 days
This commit is contained in:
Michael Tuexen 2021-07-09 14:15:22 +02:00
parent 24c681a7f6
commit ce64352a70
1 changed files with 9 additions and 3 deletions
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12
sys/netinet/sctputil.c
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@ -3163,6 +3163,8 @@ sctp_notify_assoc_change(uint16_t state, struct sctp_tcb *stcb,
uint16_t abort_len;
unsigned int i;
KASSERT((abort == NULL) || (from_peer != 0),
("sctp_notify_assoc_change: ABORT chunk provided for local termination"));
if (stcb == NULL) {
return;
}
@ -3202,9 +3204,13 @@ sctp_notify_assoc_change(uint16_t state, struct sctp_tcb *stcb,
sac->sac_length = sizeof(struct sctp_assoc_change);
sac->sac_state = state;
sac->sac_error = error;
/* XXX verify these stream counts */
sac->sac_outbound_streams = stcb->asoc.streamoutcnt;
sac->sac_inbound_streams = stcb->asoc.streamincnt;
if (state == SCTP_CANT_STR_ASSOC) {
sac->sac_outbound_streams = 0;
sac->sac_inbound_streams = 0;
} else {
sac->sac_outbound_streams = stcb->asoc.streamoutcnt;
sac->sac_inbound_streams = stcb->asoc.streamincnt;
}
sac->sac_assoc_id = sctp_get_associd(stcb);
if (notif_len > sizeof(struct sctp_assoc_change)) {
if ((state == SCTP_COMM_UP) || (state == SCTP_RESTART)) {