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res_pjsip_session: Check for removed stream state.

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When a sip session is refreshed, the stream topology is looped
through, checking each stream for compatible formats. This would
cause a crash if the stream state was AST_STREAM_STATE_REMOVED,
since the formats would never be set for this stream, causing
a NULL value to be returned from ast_stream_get_formats. This
commit adds a check for streams with removed states.

Also removed a stray semicolon.

Change-Id: Ic86f8b65a4a26a60885b28b8b1a0b22e1b471d42
This commit is contained in:
Ben Ford
2017-09-15 09:43:21 -05:00
committed by Benjamin Keith Ford
parent 8830cc0541
commit e666051d79
3 changed files with 8 additions and 6 deletions
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res/res_pjsip_sdp_rtp.c
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@@ -1338,7 +1338,7 @@ static int create_outgoing_sdp_stream(struct ast_sip_session *session, struct as
media->desc.port = 0;
media->desc.port_count = 1;
if (remote) {
if (remote && remote->media[ast_stream_get_position(stream)]) {
pjmedia_sdp_media *remote_media = remote->media[ast_stream_get_position(stream)];
int index;