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Fix a locking issue reported by brucec@ affecting

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1-to-1 style sockets which have not yet been
accepted.

MFC after: 3 days.
This commit is contained in:
Michael Tuexen 2010-11-13 12:52:44 +00:00
parent 4220337804
commit 27387daca6
1 changed files with 2 additions and 1 deletions
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3
sys/netinet/sctp_pcb.c
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@ -3464,6 +3464,7 @@ sctp_inpcb_free(struct sctp_inpcb *inp, int immediate, int from)
cnt = 0;
for ((asoc = LIST_FIRST(&inp->sctp_asoc_list)); asoc != NULL;
asoc = nasoc) {
SCTP_TCB_LOCK(asoc);
nasoc = LIST_NEXT(asoc, sctp_tcblist);
if (asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
if (asoc->asoc.state & SCTP_STATE_IN_ACCEPT_QUEUE) {
@ -3471,10 +3472,10 @@ sctp_inpcb_free(struct sctp_inpcb *inp, int immediate, int from)
sctp_timer_start(SCTP_TIMER_TYPE_ASOCKILL, inp, asoc, NULL);
}
cnt++;
SCTP_TCB_UNLOCK(asoc);
continue;
}
/* Free associations that are NOT killing us */
SCTP_TCB_LOCK(asoc);
if ((SCTP_GET_STATE(&asoc->asoc) != SCTP_STATE_COOKIE_WAIT) &&
((asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) == 0)) {
struct mbuf *op_err;