linux-kernel - [PATCH 18/22] mtd: nand: cafe: return error code of nand_scan

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Date:   Fri,  4 Nov 2016 19:43:06 +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 18/22] mtd: nand: cafe: return error code of nand_scan_ident() on error

The nand_scan_ident() returns an appropriate error value when it
fails.  Use it instead of the fixed error code -ENXIO.
(This driver is already doing so for nand_scan_tail().)

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

 drivers/mtd/nand/cafe_nand.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index 0b0c937..d40c32d 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -725,10 +725,9 @@ static int cafe_nand_probe(struct pci_dev *pdev,
 	usedma = 0;
 
 	/* Scan to find existence of the device */
-	if (nand_scan_ident(mtd, 2, NULL)) {
-		err = -ENXIO;
+	err = nand_scan_ident(mtd, 2, NULL);
+	if (err)
 		goto out_irq;
-	}
 
 	cafe->dmabuf = dma_alloc_coherent(&cafe->pdev->dev,
 				2112 + sizeof(struct nand_buffers) +
-- 
1.9.1