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Fix a double-delete on the request timeout event. Port from Tor.

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svn:r1138
This commit is contained in:
Nick Mathewson 2009-04-05 17:50:18 +00:00
parent 28255a2635
commit 0f3c0983c0
1 changed files with 2 additions and 1 deletions
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3
evdns.c
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@ -1972,13 +1972,13 @@ evdns_request_timeout_callback(evutil_socket_t fd, short events, void *arg) {
nameserver_failed(req->ns, "request timed out.");
}
(void) evtimer_del(&req->timeout_event);
if (req->tx_count >= req->base->global_max_retransmits) {
/* this request has failed */
reply_callback(req, 0, DNS_ERR_TIMEOUT, NULL);
request_finished(req, &REQ_HEAD(req->base, req->trans_id));
} else {
/* retransmit it */
(void) evtimer_del(&req->timeout_event);
evdns_request_transmit(req);
}
}
@ -2471,6 +2471,7 @@ request_submit(struct evdns_request *const req) {
void
evdns_cancel_request(struct evdns_base *base, struct evdns_request *req)
{
/* XXX Does anything ever free the request */
if (req->ns) {
/* remove from inflight queue */
evdns_request_remove(req, &REQ_HEAD(base, req->trans_id));