pinctrl: samsung: Fix return value check in samsung_pinctrl_get_soc_data()

In case of error, the function devm_ioremap() returns NULL pointer not
ERR_PTR(). Fix by using devm_ioremap_resource instead of devm_ioremap.

Fixes: 8b1bd11c1f8f ("pinctrl: samsung: Add the support the multiple IORESOURCE_MEM for one pin-bank")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c
index d601b5303e73..f9ddba7decc1 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.c
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.c
@@ -988,10 +988,9 @@ samsung_pinctrl_get_soc_data(struct samsung_pinctrl_drv_data *d,
 
         for (i = 0; i < ctrl->nr_ext_resources + 1; i++) {
                 res = platform_get_resource(pdev, IORESOURCE_MEM, i);
-                virt_base[i] = devm_ioremap(&pdev->dev, res->start,
-                                                resource_size(res));
+                virt_base[i] = devm_ioremap_resource(&pdev->dev, res);
                 if (IS_ERR(virt_base[i]))
-                        return ERR_PTR(-EIO);
+                        return ERR_CAST(virt_base[i]);
         }
 
         bank = d->pin_banks;