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FS-10118: [freeswitch-core] Race conditions from lack of error checking in switch_core_session_read_lock #resolve

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Anthony Minessale committed 2017-03-09 13:22:25 -06:00
1 parent abcb7f83a1
commit 35865bd90c
6 files changed
+76 -23
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src/switch_ivr_bridge.c
+10 -2
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@@ -158,8 +158,16 @@ static void video_bridge_thread(switch_core_session_t *session, void *obj)
vh->up = 1;
switch_core_session_read_lock(vh->session_a);
switch_core_session_read_lock(vh->session_b);
if (switch_core_session_read_lock(vh->session_a) != SWITCH_STATUS_SUCCESS) {
vh->up = 0;
return;
}
if (switch_core_session_read_lock(vh->session_b) != SWITCH_STATUS_SUCCESS) {
vh->up = 0;
switch_core_session_rwunlock(vh->session_a);
return;
}
switch_core_session_request_video_refresh(vh->session_a);
switch_core_session_request_video_refresh(vh->session_b);