mctpd: reset pool for invalid set endpoint id response

If endpoint responds with some invalid endpoint id range, assumed
bridge pool space needs to reset too, this is needed as it misleads
remove_peer() to delete gateway routes too which only be created
after bridge pool allocation

Signed-off-by: Faizan Ali <faizana@nvidia.com>

Author: faizana-nvidia

src/mctpd.c

@@ -2083,10 +2083,14 @@ static int endpoint_assign_eid(struct ctx *ctx, sd_bus_error *berr,
 	add_peer_route(peer);
 
 	rc = endpoint_send_set_endpoint_id(peer, &new_eid, &req_pool_size);
-	if (rc == -ECONNREFUSED)
+	if (rc == -ECONNREFUSED) {
 		sd_bus_error_setf(
 			berr, SD_BUS_ERROR_FAILED,
 			"Endpoint returned failure to Set Endpoint ID");
+		peer->pool_size = 0;
+		peer->pool_start = 0;
+	}
+
 	if (rc < 0) {
 		remove_peer(peer);
 		return rc;