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gpio/omap: free irq domain in probe() failure paths

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Currently the IRQ domain is not freed once allocated, in the case where
omap_gpio_probe() fails. Therefore, ensure we free the domain if the
probe does fail. Furthermore, the local variable "ret" is not needed
and so remove this.

Signed-off-by: Jon Hunter <[email protected]>
Acked-by: Santosh Shilimkar <[email protected]>
Reviewed-by: Kevin Hilman <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Jon Hunter 2013-04-04 15:16:12 -05:00 • committed by Linus Walleij
commit 879fe32438
1 changed files with 4 additions and 2 deletions
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6
drivers/gpio/gpio-omap.c
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@ -1094,7 +1094,6 @@ static int omap_gpio_probe(struct platform_device *pdev)
const struct omap_gpio_platform_data *pdata;
struct resource *res;
struct gpio_bank *bank;
int ret = 0;
match = of_match_device(of_match_ptr(omap_gpio_match), dev);
@ -1143,18 +1142,21 @@ static int omap_gpio_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (unlikely(!res)) {
dev_err(dev, "Invalid mem resource\n");
irq_domain_remove(bank->domain);
return -ENODEV;
}
if (!devm_request_mem_region(dev, res->start, resource_size(res),
pdev->name)) {
dev_err(dev, "Region already claimed\n");
irq_domain_remove(bank->domain);
return -EBUSY;
}
bank->base = devm_ioremap(dev, res->start, resource_size(res));
if (!bank->base) {
dev_err(dev, "Could not ioremap\n");
irq_domain_remove(bank->domain);
return -ENOMEM;
}
@ -1178,7 +1180,7 @@ static int omap_gpio_probe(struct platform_device *pdev)
list_add_tail(&bank->node, &omap_gpio_list);
return ret;
return 0;
}
#ifdef CONFIG_ARCH_OMAP2PLUS