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res_pjsip_session: Fixed NULL active media topology handle

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Added NULL pointer check to prevent Asterisk crash.

ASTERISK-29215

Change-Id: If07e50ea8d78cb610af9195fc13b5dca4bfcef95
This commit is contained in:
Sungtae Kim
2020-12-13 13:03:32 +01:00
committed by George Joseph
parent 357510cec3
commit 02c4b2ac60
1 changed files with 1 additions and 1 deletions
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res/res_pjsip_session.c
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@@ -2280,7 +2280,7 @@ static int sip_session_refresh(struct ast_sip_session *session,
ast_sip_session_get_name(session));
}
if (active_media_state) {
if (active_media_state && active_media_state->topology) {
struct ast_sip_session_media_state *new_pending_state;
/*
* We need to check if the passed in active and pending states are equal