diff options
Diffstat (limited to 'src/sip.c')
| -rw-r--r-- | src/sip.c | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -193,6 +193,13 @@ static void sip_handle_reinvite(struct sip_call_leg *leg, nua_handle_t *nh, cons LOGP(DSIP, LOGL_INFO, "re-INVITE for call %s\n", sip->sip_call_id->i_id); struct call_leg *other = call_leg_other(&leg->base); + + if (!other) { + LOGP(DMNCC, LOGL_ERROR, "leg(%p) other leg gone!\n", leg); + sip_release_call(&leg->base); + return; + } + if (!sdp_get_sdp_mode(sip, &mode)) { /* re-INVITE with no SDP. * We should respond with SDP reflecting current session @@ -540,6 +547,11 @@ static void sip_hold_call(struct call_leg *_leg) OSMO_ASSERT(_leg->type == CALL_TYPE_SIP); leg = (struct sip_call_leg *) _leg; other_leg = call_leg_other(&leg->base); + if (!other_leg) { + LOGP(DMNCC, LOGL_ERROR, "leg(%p) other leg gone!\n", leg); + sip_release_call(&leg->base); + return; + } char *sdp = sdp_create_file(leg, other_leg, sdp_sendonly); nua_invite(leg->nua_handle, NUTAG_MEDIA_ENABLE(0), @@ -557,6 +569,11 @@ static void sip_retrieve_call(struct call_leg *_leg) OSMO_ASSERT(_leg->type == CALL_TYPE_SIP); leg = (struct sip_call_leg *) _leg; other_leg = call_leg_other(&leg->base); + if (!other_leg) { + LOGP(DMNCC, LOGL_ERROR, "leg(%p) other leg gone!\n", leg); + sip_release_call(&leg->base); + return; + } char *sdp = sdp_create_file(leg, other_leg, sdp_sendrecv); nua_invite(leg->nua_handle, NUTAG_MEDIA_ENABLE(0), |