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PJSIP: avoid crash when getting rtp peer 

Although unlikely, if the tech private is returned as
a NULL, chan_pjsip_get_rtp_peer() would crash.

ASTERISK-25323

Change-Id: Ie231369bfa7da926fb2b9fdaac228261a3152e6a
This commit is contained in:
Scott Griepentrog 2015-09-17 13:09:56 -05:00
parent e47396721f
commit 87f04d5acf
1 changed files with 2 additions and 2 deletions
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4
channels/chan_pjsip.c
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@ -160,10 +160,10 @@ static struct ast_sip_session_supplement chan_pjsip_ack_supplement = {
static enum ast_rtp_glue_result chan_pjsip_get_rtp_peer(struct ast_channel *chan, struct ast_rtp_instance **instance)
{
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(chan);
struct chan_pjsip_pvt *pvt = channel->pvt;
struct chan_pjsip_pvt *pvt;
struct ast_sip_endpoint *endpoint;
if (!pvt || !channel->session || !pvt->media[SIP_MEDIA_AUDIO]->rtp) {
if (!channel || !channel->session || !(pvt = channel->pvt) || !pvt->media[SIP_MEDIA_AUDIO]->rtp) {
return AST_RTP_GLUE_RESULT_FORBID;
}