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gpio: mvebu: Don't free chip label memory
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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>
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Thierry Reding authored and Linus Walleij committed Jan 17, 2013
1 parent 6948ce5 commit 11c0cee
Showing 1 changed file with 0 additions and 6 deletions.
6 changes: 0 additions & 6 deletions drivers/gpio/gpio-mvebu.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
}

Expand All @@ -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;
}
}
Expand Down Expand Up @@ -625,15 +622,13 @@ 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;
}

gc = irq_alloc_generic_chip("mvebu_gpio_irq", 2, mvchip->irqbase,
mvchip->membase, handle_level_irq);
if (! gc) {
dev_err(&pdev->dev, "Cannot allocate generic irq_chip\n");
kfree(mvchip->chip.label);
return -ENOMEM;
}

Expand Down Expand Up @@ -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;
}

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