[PATCH 05/20] mtd: nand: ecc-bch: Return only valid error codes

[Miquel Raynal]

When a function is not available, returning -ENOTSUPP makes much more
sense than returning -1.

Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
---
 include/linux/mtd/nand-ecc-sw-bch.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/mtd/nand-ecc-sw-bch.h b/include/linux/mtd/nand-ecc-sw-bch.h
index b62b8bd4669f..d92d2abcfcef 100644
--- a/include/linux/mtd/nand-ecc-sw-bch.h
+++ b/include/linux/mtd/nand-ecc-sw-bch.h
@@ -43,7 +43,7 @@ static inline int
 nand_bch_calculate_ecc(struct nand_chip *chip, const u_char *dat,
 		       u_char *ecc_code)
 {
-	return -1;
+	return -ENOTSUPP;
 }
 
 static inline int
-- 
2.20.1