dialog: only raise event if someone is listening

(cherry picked from commit f5f85b6)
OpenSIPS · Apr 22, 2021 · 4d2906c · 4d2906c
1 parent 3de68fd
commit 4d2906c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/modules/dialog/dlg_hash.c b/modules/dialog/dlg_hash.c
@@ -945,6 +945,9 @@ static void raise_state_changed_event(struct dlg_cell *dlg,
 	str s1, s2;
 	int callee_leg_idx;
 
+	if (!evi_probe_event(ei_st_ch_id))
+		return;
+
 	s1.s = int2bstr( (unsigned long)dlg->h_entry, b1, &s1.len);
 	s2.s = int2bstr( (unsigned long)dlg->h_id, b2, &s2.len);
 	if (s1.s==NULL || s2.s==NULL) {