fix missing null dmachine check

diff --git a/src/switch_core_session.c b/src/switch_core_session.c
index 3bccaf5b0ad563be0a6a8a425d080489527e2010..99bf524324252083f2c40653d9af0fb4786385c1 100644 (file)
--- a/src/switch_core_session.c
+++ b/src/switch_core_session.c
@@ -43,7 +43,9 @@ SWITCH_DECLARE(void) switch_core_session_set_dmachine(switch_core_session_t *ses
        int i = (int) target;
 
        if (i == 0 || i == 1) {
-               switch_ivr_dmachine_set_target(dmachine, target);
+               if (dmachine) {
+                       switch_ivr_dmachine_set_target(dmachine, target);
+               }
                session->dmachine[i] = dmachine;
        }
 }