[PATCH v2 2/7] mtd: rawnand: sunxi: Use struct_size()

[Boris Brezillon <boris.brezillon@xxxxxxxxxxx>]

Use struct_size() to calculate sunxi_nand object size.

Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
---
 drivers/mtd/nand/raw/sunxi_nand.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index 9139fc003b1a..1453392a53e7 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -1871,9 +1871,7 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
 		return -EINVAL;
 	}
 
-	sunxi_nand = devm_kzalloc(dev,
-				  sizeof(*sunxi_nand) +
-				  (nsels * sizeof(struct sunxi_nand_chip_sel)),
+	sunxi_nand = devm_kzalloc(dev, struct_size(sunxi_nand, sels, nsels),
 				  GFP_KERNEL);
 	if (!sunxi_nand) {
 		dev_err(dev, "could not allocate chip\n");
-- 
2.17.1


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