linux-kernel - [PATCH 17/22] mtd: nand: vf610: return error code of nand_scan

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Date:   Fri,  4 Nov 2016 19:43:05 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-mtd@...ts.infradead.org
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Brian Norris <computersforpeace@...il.com>,
        linux-kernel@...r.kernel.org,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Stefan Agner <stefan@...er.ch>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>
Subject: [PATCH 17/22] mtd: nand: vf610: return error code of nand_scan_ident/tail() on error

The nand_scan_ident/tail() 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/vf610_nfc.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
index 3ad514c..3ea4bb1 100644
--- a/drivers/mtd/nand/vf610_nfc.c
+++ b/drivers/mtd/nand/vf610_nfc.c
@@ -717,10 +717,9 @@ static int vf610_nfc_probe(struct platform_device *pdev)
 	vf610_nfc_preinit_controller(nfc);
 
 	/* first scan to find the device and get the page size */
-	if (nand_scan_ident(mtd, 1, NULL)) {
-		err = -ENXIO;
+	err = nand_scan_ident(mtd, 1, NULL);
+	if (err)
 		goto error;
-	}
 
 	vf610_nfc_init_controller(nfc);
 
@@ -775,10 +774,9 @@ static int vf610_nfc_probe(struct platform_device *pdev)
 	}
 
 	/* second phase scan */
-	if (nand_scan_tail(mtd)) {
-		err = -ENXIO;
+	err = nand_scan_tail(mtd);
+	if (err)
 		goto error;
-	}
 
 	platform_set_drvdata(pdev, mtd);
 
-- 
1.9.1