mtd: nand: atmel: 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@socionext.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 68b9160..9ebd5ec 100644 (file)
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -2267,10 +2267,9 @@ static int atmel_nand_probe(struct platform_device *pdev)
                dev_info(host->dev, "No DMA support for NAND access.\n");
 
        /* first scan to find the device and get the page size */
-       if (nand_scan_ident(mtd, 1, NULL)) {
-               res = -ENXIO;
+       res = nand_scan_ident(mtd, 1, NULL);
+       if (res)
                goto err_scan_ident;
-       }
 
        if (host->board.on_flash_bbt || on_flash_bbt)
                nand_chip->bbt_options |= NAND_BBT_USE_FLASH;
@@ -2304,10 +2303,9 @@ static int atmel_nand_probe(struct platform_device *pdev)
        }
 
        /* second phase scan */
-       if (nand_scan_tail(mtd)) {
-               res = -ENXIO;
+       res = nand_scan_tail(mtd);
+       if (res)
                goto err_scan_tail;
-       }
 
        mtd->name = "atmel_nand";
        res = mtd_device_register(mtd, host->board.parts,