mtd: onenand: simplify the return expression of onenand_transfer_auto_oob

Simplify the return expression.

Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200921082441.2591669-1-liushixin2@huawei.com

Author: Liu Shixin

drivers/mtd/nand/onenand/onenand_base.c

@@ -1052,16 +1052,11 @@ static int onenand_transfer_auto_oob(struct mtd_info *mtd, uint8_t *buf, int col
 				int thislen)
 {
 	struct onenand_chip *this = mtd->priv;
-	int ret;
 
 	this->read_bufferram(mtd, ONENAND_SPARERAM, this->oob_buf, 0,
 			     mtd->oobsize);
-	ret = mtd_ooblayout_get_databytes(mtd, buf, this->oob_buf,
-					  column, thislen);
-	if (ret)
-		return ret;
-
-	return 0;
+	return mtd_ooblayout_get_databytes(mtd, buf, this->oob_buf,
+					   column, thislen);
 }
 
 /**