Don't crash when terminating already terminated call.

diff --git a/coreapi/sal_eXosip2.c b/coreapi/sal_eXosip2.c
index 5b9500509538313bbd43750521ac442cf2bb97bc..03fec5b47b1470a710bc1a842fa6758bf6802fed 100644 (file)
--- a/coreapi/sal_eXosip2.c
+++ b/coreapi/sal_eXosip2.c
@@ -810,6 +810,7 @@ static void pop_auth_from_exosip() {
 
 int sal_call_terminate(SalOp *h){
        int err;
+       if (h == NULL) return -1;
        if (h->auth_info) push_auth_to_exosip(h->auth_info);
        eXosip_lock();
        err=eXosip_call_terminate(h->cid,h->did);