diff --git a/drivers/mtd/nand/oxnas_nand.c b/drivers/mtd/nand/oxnas_nand.c
index 3e3bf3b364d2b63c1dcf1869e45b5bd5c9f63616..1b207aac840c4b169c4e2168f1104309c729ad0c 100644
--- a/drivers/mtd/nand/oxnas_nand.c
+++ b/drivers/mtd/nand/oxnas_nand.c
@@ -91,7 +91,7 @@ static int oxnas_nand_probe(struct platform_device *pdev)
 	int err = 0;
 
 	/* Allocate memory for the device structure (and zero it) */
-	oxnas = devm_kzalloc(&pdev->dev, sizeof(struct nand_chip),
+	oxnas = devm_kzalloc(&pdev->dev, sizeof(*oxnas),
 			     GFP_KERNEL);
 	if (!oxnas)
 		return -ENOMEM;