From: Markus Elfring <[email protected]>
Date: Thu, 19 Sep 2019 13:30:51 +0200

Simplify this function implementation by using a known wrapper function.
* Thus reduce also a bit of exception handling code.
* Delete the local variable “res”.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <[email protected]>
---

v2:
Further changes were requested by Miquel Raynal.
https://lore.kernel.org/r/20190919111014.6c569cf3@xps13/

* An error message was adjusted another bit.
* A variable was removed.


 drivers/mtd/devices/st_spi_fsm.c | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c
index f4d1667daaf9..ce18198301d5 100644
--- a/drivers/mtd/devices/st_spi_fsm.c
+++ b/drivers/mtd/devices/st_spi_fsm.c
@@ -2017,7 +2017,6 @@ static int stfsm_probe(struct platform_device *pdev)
 {
        struct device_node *np = pdev->dev.of_node;
        struct flash_info *info;
-       struct resource *res;
        struct stfsm *fsm;
        int ret;

@@ -2033,17 +2032,9 @@ static int stfsm_probe(struct platform_device *pdev)
        fsm->dev = &pdev->dev;

        platform_set_drvdata(pdev, fsm);
-
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res) {
-               dev_err(&pdev->dev, "Resource not found\n");
-               return -ENODEV;
-       }
-
-       fsm->base = devm_ioremap_resource(&pdev->dev, res);
+       fsm->base = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(fsm->base)) {
-               dev_err(&pdev->dev,
-                       "Failed to reserve memory region %pR\n", res);
+               dev_err(&pdev->dev, "Failed to reserve memory region\n");
                return PTR_ERR(fsm->base);
        }

--
2.23.0

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