pinctrl: mvebu: Convert to use devm_ioremap_resource
The resource mapped by of_iomap() isn't unmapped in error path. This
patch fix the resource leakage by using devm_ioremap_resource() instead
of of_iomap().
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Reviewed-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/mvebu/pinctrl-mvebu.c b/drivers/pinctrl/mvebu/pinctrl-mvebu.c
index e78c041c..3624465 100644
--- a/drivers/pinctrl/mvebu/pinctrl-mvebu.c
+++ b/drivers/pinctrl/mvebu/pinctrl-mvebu.c
@@ -593,7 +593,7 @@
int mvebu_pinctrl_probe(struct platform_device *pdev)
{
struct mvebu_pinctrl_soc_info *soc = dev_get_platdata(&pdev->dev);
- struct device_node *np = pdev->dev.of_node;
+ struct resource *res;
struct mvebu_pinctrl *pctl;
void __iomem *base;
struct pinctrl_pin_desc *pdesc;
@@ -605,11 +605,10 @@
return -EINVAL;
}
- base = of_iomap(np, 0);
- if (!base) {
- dev_err(&pdev->dev, "unable to get base address\n");
- return -ENODEV;
- }
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
pctl = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_pinctrl),
GFP_KERNEL);