mtd: nand: omap2: return error code of nand_scan_ident/tail() on error

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=bd93a3af82d5175a86badf7bc0e30d17cc6469ce
Commit:     bd93a3af82d5175a86badf7bc0e30d17cc6469ce
Parent:     bc83c78871037b67d41d6fe70c7937ea89868d3b
Author:     Masahiro Yamada <yamada.masahiro at socionext.com>
AuthorDate: Fri Nov 4 19:43:04 2016 +0900
Committer:  Boris Brezillon <boris.brezillon at free-electrons.com>
CommitDate: Mon Nov 7 14:48:50 2016 +0100

    mtd: nand: omap2: 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 at socionext.com>
    Reviewed-by: Marek Vasut <marek.vasut at gmail.com>
    Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
---
 drivers/mtd/nand/omap2.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 0934c3b..2a52101 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -1895,10 +1895,10 @@ static int omap_nand_probe(struct platform_device *pdev)
 
 	/* scan NAND device connected to chip controller */
 	nand_chip->options |= info->devsize & NAND_BUSWIDTH_16;
-	if (nand_scan_ident(mtd, 1, NULL)) {
+	err = nand_scan_ident(mtd, 1, NULL);
+	if (err) {
 		dev_err(&info->pdev->dev,
 			"scan failed, may be bus-width mismatch\n");
-		err = -ENXIO;
 		goto return_error;
 	}
 
@@ -2154,10 +2154,9 @@ static int omap_nand_probe(struct platform_device *pdev)
 
 scan_tail:
 	/* second phase scan */
-	if (nand_scan_tail(mtd)) {
-		err = -ENXIO;
+	err = nand_scan_tail(mtd);
+	if (err)
 		goto return_error;
-	}
 
 	if (dev->of_node)
 		mtd_device_register(mtd, NULL, 0);