gpio: mvebu: Don't free chip label memory
authorThierry Reding <thierry.reding@avionic-design.de>
Mon, 14 Jan 2013 10:53:20 +0000 (11:53 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Thu, 17 Jan 2013 11:27:08 +0000 (12:27 +0100)
The gpio_chip.label field is a const char * and assigned the value of a
call to dev_name(). Memory obtained from dev_name() should not be freed
by drivers.

Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-mvebu.c

index 7d9bd94..6819d63 100644 (file)
@@ -547,7 +547,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
        mvchip->membase = devm_request_and_ioremap(&pdev->dev, res);
        if (! mvchip->membase) {
                dev_err(&pdev->dev, "Cannot ioremap\n");
-               kfree(mvchip->chip.label);
                return -ENOMEM;
        }
 
@@ -557,14 +556,12 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
                res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
                if (! res) {
                        dev_err(&pdev->dev, "Cannot get memory resource\n");
-                       kfree(mvchip->chip.label);
                        return -ENODEV;
                }
 
                mvchip->percpu_membase = devm_request_and_ioremap(&pdev->dev, res);
                if (! mvchip->percpu_membase) {
                        dev_err(&pdev->dev, "Cannot ioremap\n");
-                       kfree(mvchip->chip.label);
                        return -ENOMEM;
                }
        }
@@ -625,7 +622,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
        mvchip->irqbase = irq_alloc_descs(-1, 0, ngpios, -1);
        if (mvchip->irqbase < 0) {
                dev_err(&pdev->dev, "no irqs\n");
-               kfree(mvchip->chip.label);
                return -ENOMEM;
        }
 
@@ -633,7 +629,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
                                    mvchip->membase, handle_level_irq);
        if (! gc) {
                dev_err(&pdev->dev, "Cannot allocate generic irq_chip\n");
-               kfree(mvchip->chip.label);
                return -ENOMEM;
        }
 
@@ -668,7 +663,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
                irq_remove_generic_chip(gc, IRQ_MSK(ngpios), IRQ_NOREQUEST,
                                        IRQ_LEVEL | IRQ_NOPROBE);
                kfree(gc);
-               kfree(mvchip->chip.label);
                return -ENODEV;
        }