backends/cryptodev: drop local_err from cryptodev_backend_complete()

No reason for local_err here, use errp directly instead.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Message-Id: <20191205174635.18758-20-vsementsov@virtuozzo.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

backends/cryptodev.c

@@ -176,19 +176,10 @@ cryptodev_backend_complete(UserCreatable *uc, Error **errp)
 {
     CryptoDevBackend *backend = CRYPTODEV_BACKEND(uc);
     CryptoDevBackendClass *bc = CRYPTODEV_BACKEND_GET_CLASS(uc);
-    Error *local_err = NULL;
 
     if (bc->init) {
-        bc->init(backend, &local_err);
-        if (local_err) {
-            goto out;
-        }
+        bc->init(backend, errp);
     }
-
-    return;
-
-out:
-    error_propagate(errp, local_err);
 }
 
 void cryptodev_backend_set_used(CryptoDevBackend *backend, bool used)