[PATCH 13/22] mtd: nand: lpc32xx: return error code of nand_scan_ident/tail() on error

[Masahiro Yamada]

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.masah...@socionext.com>
---

 drivers/mtd/nand/lpc32xx_mlc.c | 10 ++++------
 drivers/mtd/nand/lpc32xx_slc.c |  9 +++------
 2 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/drivers/mtd/nand/lpc32xx_mlc.c b/drivers/mtd/nand/lpc32xx_mlc.c
index 8523881..5553a5d 100644
--- a/drivers/mtd/nand/lpc32xx_mlc.c
+++ b/drivers/mtd/nand/lpc32xx_mlc.c
@@ -747,10 +747,9 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
         * Scan to find existance of the device and
         * Get the type of NAND device SMALL block or LARGE block
         */
-       if (nand_scan_ident(mtd, 1, NULL)) {
-               res = -ENXIO;
+       res = nand_scan_ident(mtd, 1, NULL);
+       if (res)
                goto err_exit3;
-       }
 
        host->dma_buf = devm_kzalloc(&pdev->dev, mtd->writesize, GFP_KERNEL);
        if (!host->dma_buf) {
@@ -793,10 +792,9 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
         * Fills out all the uninitialized function pointers with the defaults
         * And scans for a bad block table if appropriate.
         */
-       if (nand_scan_tail(mtd)) {
-               res = -ENXIO;
+       res = nand_scan_tail(mtd);
+       if (res)
                goto err_exit4;
-       }
 
        mtd->name = DRV_NAME;
 
diff --git a/drivers/mtd/nand/lpc32xx_slc.c b/drivers/mtd/nand/lpc32xx_slc.c
index 8d3edc3..f1094e5 100644
--- a/drivers/mtd/nand/lpc32xx_slc.c
+++ b/drivers/mtd/nand/lpc32xx_slc.c
@@ -894,10 +894,9 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
        }
 
        /* Find NAND device */
-       if (nand_scan_ident(mtd, 1, NULL)) {
-               res = -ENXIO;
+       res = nand_scan_ident(mtd, 1, NULL);
+       if (res)
                goto err_exit3;
-       }
 
        /* OOB and ECC CPU and DMA work areas */
        host->ecc_buf = (uint32_t *)(host->data_buf + LPC32XX_DMA_DATA_SIZE);
@@ -929,10 +928,8 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
        /*
         * Fills out all the uninitialized function pointers with the defaults
         */
-       if (nand_scan_tail(mtd)) {
-               res = -ENXIO;
+       res = nand_scan_tail(mtd);
                goto err_exit3;
-       }
 
        mtd->name = "nxp_lpc3220_slc";
        res = mtd_device_register(mtd, host->ncfg->parts,
-- 
1.9.1