diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index d868ca4..91a3c8a 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -585,11 +585,12 @@
 {
 	struct request rq;
 	ide_hwif_t *hwif = drive->hwif;
+	const struct ide_port_ops *port_ops = hwif->port_ops;
 
 	if (arg < 0 || arg > 255)
 		return -EINVAL;
 
-	if (hwif->set_pio_mode == NULL ||
+	if (port_ops == NULL || port_ops->set_pio_mode == NULL ||
 	    (hwif->host_flags & IDE_HFLAG_NO_SET_MODE))
 		return -ENOSYS;