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res_pjsip_session.c: Fix crashes seen when call cancelled.

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Two testsuite tests crashed in the same place as a result of an INVITE
being CANCELed.

tests/channels/pjsip/resolver/srv/failover/in_dialog/transport_unspecified
tests/channels/pjsip/resolver/srv/failover/in_dialog/transport_tcp

The session pointer is no longer in the inv->mod_data[session_module.id]
location because the INVITE transaction has reached the terminated state.

ASTERISK-25297 #close
Reported by: Richard Mudgett

Change-Id: Idb75fdca0321f5447d5dac737a632a5f03614427
This commit is contained in:
Richard Mudgett
2015-07-30 17:05:57 -05:00
parent 9be856e3c6
commit 13eb491e35
1 changed files with 4 additions and 2 deletions
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6
res/res_pjsip_session.c
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@@ -2681,8 +2681,10 @@ static void session_inv_on_media_update(pjsip_inv_session *inv, pj_status_t stat
struct ast_sip_session *session = inv->mod_data[session_module.id];
const pjmedia_sdp_session *local, *remote;
if (!session->channel) {
/* If we don't have a channel. We really don't care about media updates.
if (!session || !session->channel) {
/*
* If we don't have a session or channel then we really
* don't care about media updates.
* Just ignore
*/
return;