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paging: Go through all BTS to stop paging 

As the comment says we should not rely that the paging
occurs on the current LAC. We might page at more BTS.
Walk all the BTS to stop paging. No callbacks will be
issued by this stop operation.
This commit is contained in:
Holger Hans Peter Freyther 2015-08-03 11:20:31 +02:00
parent 469f992b2b
commit ba43365e96
1 changed files with 9 additions and 16 deletions
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25
openbsc/src/libbsc/paging.c
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@ -391,28 +391,21 @@ void paging_request_stop(struct gsm_bts *_bts, struct gsm_subscriber *subscr,
struct gsm_subscriber_connection *conn,
struct msgb *msg)
{
struct gsm_bts *bts = NULL;
struct gsm_bts *bts;
log_set_context(BSC_CTX_SUBSCR, subscr);
/* Stop this first and dispatch the request */
if (_bts)
_paging_request_stop(_bts, subscr, conn, msg);
do {
/*
* FIXME: Don't use the lac of the subscriber...
* as it might have magically changed the lac.. use the
* location area of the _bts as reconfiguration of the
* network is probably happening less often.
*/
bts = gsm_bts_by_lac(subscr->group->net, subscr->lac, bts);
if (!bts)
break;
/* Stop paging */
if (bts != _bts)
_paging_request_stop(bts, subscr, NULL, NULL);
} while (1);
/* Make sure to cancel this everywhere else */
llist_for_each_entry(bts, &subscr->group->net->bts_list, list) {
/* Sort of an optimization. */
if (bts == _bts)
continue;
_paging_request_stop(bts, subscr, NULL, NULL);
}
}
void paging_update_buffer_space(struct gsm_bts *bts, uint16_t free_slots)