Add check if module has been unregistered in mod_ua module (in sip_ua_layer.c). (#2840)

3 years ago · c7c4ebc7b0
parent c12d12cab7
commit c7c4ebc7b0
1 changed files with 6 additions and 0 deletions
--- a/pjsip/src/pjsip/sip_ua_layer.c
+++ b/pjsip/src/pjsip/sip_ua_layer.c
@ -165,6 +165,12 @@ static void mod_ua_on_tsx_state( pjsip_transaction *tsx, pjsip_event *e)
 {
    pjsip_dialog *dlg;

+    /* If the module id is -1, it could mean that the module has been
+     * destroyed.
+     */
+    if (mod_ua.mod.id == -1)
+	return;
+
    /* Get the dialog where this transaction belongs. */
    dlg = (pjsip_dialog*) tsx->mod_data[mod_ua.mod.id];