net/sfc: check ID overflow in action port ID

[ upstream commit fb3c4ef ]

The container in the action configuration is U32,
but the ID is U16, and overflow check is missing.

Fixes: 1fb65e4 ("net/sfc: support flow action port ID in transfer rules")

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Reviewed-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

drivers/net/sfc/sfc_mae.c

@@ -2000,6 +2000,9 @@ sfc_mae_rule_parse_action_port_id(struct sfc_adapter *sa,
 	uint16_t port_id;
 	int rc;
 
+	if (conf->id > UINT16_MAX)
+		return EOVERFLOW;
+
 	port_id = (conf->original != 0) ? sas->port_id : conf->id;
 
 	rc = sfc_mae_switch_port_by_ethdev(mae->switch_domain_id,