mtd: nand: lpc32xx_slc: Remove unneeded NULL check on 'rc'

devm_ioremap_resource() does a NULL check on the 'rc' argument, so
remove the unneeded manual NULL check.

While at it, place the 'rc' assignment just before
devm_ioremap_resource() to improve readability.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

diff --git a/drivers/mtd/nand/lpc32xx_slc.c b/drivers/mtd/nand/lpc32xx_slc.c
index 53bafe23ab39eeffb1c51858ac9acd19cf8ca01b..a0669a33f8fe61334a07ec058989d865f3c6ab73 100644 (file)
--- a/drivers/mtd/nand/lpc32xx_slc.c
+++ b/drivers/mtd/nand/lpc32xx_slc.c
@@ -797,22 +797,17 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
        struct resource *rc;
        int res;
 
-       rc = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (rc == NULL) {
-               dev_err(&pdev->dev, "No memory resource found for device\n");
-               return -EBUSY;
-       }
-
        /* Allocate memory for the device structure (and zero it) */
        host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL);
        if (!host)
                return -ENOMEM;
-       host->io_base_dma = rc->start;
 
+       rc = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        host->io_base = devm_ioremap_resource(&pdev->dev, rc);
        if (IS_ERR(host->io_base))
                return PTR_ERR(host->io_base);
 
+       host->io_base_dma = rc->start;
        if (pdev->dev.of_node)
                host->ncfg = lpc32xx_parse_dt(&pdev->dev);
        if (!host->ncfg) {