blob: 193994333357f1131e548a3252c093de0af33aee (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
--- a/pjsip/src/pjsip-ua/sip_inv.c (revision 6086)
+++ b/pjsip/src/pjsip-ua/sip_inv.c (revision 6087)
@@ -314,10 +314,16 @@
inv->cb_called |= (1 << state);
- /* Call on_state_changed() callback. */
+ /* Call on_state_changed() callback.
+ * While in the callback, can the state shift to DISCONNECTED? Perhaps
+ * yes, so better avoid premature destroy of the invite session by
+ * temporarily increase its ref counter.
+ */
+ pjsip_inv_add_ref(inv);
if (mod_inv.cb.on_state_changed && inv->notify && !dont_notify)
(*mod_inv.cb.on_state_changed)(inv, e);
+ pjsip_inv_dec_ref(inv);
/* Only decrement when previous state is not already DISCONNECTED */
- if (inv->state == PJSIP_INV_STATE_DISCONNECTED &&
+ if (state == PJSIP_INV_STATE_DISCONNECTED &&
prev_state != PJSIP_INV_STATE_DISCONNECTED)
{
|