diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 3c06a15952f8..c43bd28b20b1 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3992,7 +3992,7 @@ int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
 
 	/* verify n_sectors hasn't changed */
 	if (dev->class != ATA_DEV_ATA || !n_sectors ||
-	    dev->n_sectors == n_sectors)
+	    dev->n_sectors == n_sectors || ata_id_is_locked(dev->id))
 		return 0;
 
 	/* n_sectors has changed */