linux-kernel - [PATCH 02/22] mtd: nand: cmx270: return error code of nand

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Message-Id: <1478256190-7452-3-git-send-email-yamada.masahiro@socionext.com>
Date:   Fri,  4 Nov 2016 19:42:50 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-mtd@...ts.infradead.org
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kernel@...r.kernel.org,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Brian Norris <computersforpeace@...il.com>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>
Subject: [PATCH 02/22] mtd: nand: cmx270: return error code of nand_scan() on error

The nand_scan() returns an appropriate error value when it fails.
Use it instead of the fixed error code -ENXIO.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 drivers/mtd/nand/cmx270_nand.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/cmx270_nand.c b/drivers/mtd/nand/cmx270_nand.c
index 4913378..226ac0b 100644
--- a/drivers/mtd/nand/cmx270_nand.c
+++ b/drivers/mtd/nand/cmx270_nand.c
@@ -195,9 +195,9 @@ static int __init cmx270_init(void)
 	this->write_buf = cmx270_write_buf;
 
 	/* Scan to find existence of the device */
-	if (nand_scan (cmx270_nand_mtd, 1)) {
+	ret = nand_scan(cmx270_nand_mtd, 1);
+	if (ret) {
 		pr_notice("No NAND device\n");
-		ret = -ENXIO;
 		goto err_scan;
 	}
 
-- 
1.9.1