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driver core: platform: Declare ret variable only once

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We may define ret variable only once and avoid adding it each time
platform_get_irq_optional() get extended.

For the sake of consistency do the same in __platform_get_irq_byname().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20191023122505.64684-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2019-10-23 15:25:05 +03:00 committed by Greg Kroah-Hartman
parent edb44e8461
commit 71564a26e3
1 changed files with 4 additions and 8 deletions
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12
drivers/base/platform.c
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@ -143,9 +143,9 @@ int platform_get_irq_optional(struct platform_device *dev, unsigned int num)
return dev->archdata.irqs[num];
#else
struct resource *r;
if (IS_ENABLED(CONFIG_OF_IRQ) && dev->dev.of_node) {
int ret;
int ret;
if (IS_ENABLED(CONFIG_OF_IRQ) && dev->dev.of_node) {
ret = of_irq_get(dev->dev.of_node, num);
if (ret > 0 || ret == -EPROBE_DEFER)
return ret;
@ -154,8 +154,6 @@ int platform_get_irq_optional(struct platform_device *dev, unsigned int num)
r = platform_get_resource(dev, IORESOURCE_IRQ, num);
if (has_acpi_companion(&dev->dev)) {
if (r && r->flags & IORESOURCE_DISABLED) {
int ret;
ret = acpi_irq_get(ACPI_HANDLE(&dev->dev), num, r);
if (ret)
return ret;
@ -188,8 +186,7 @@ int platform_get_irq_optional(struct platform_device *dev, unsigned int num)
* allows a common code path across either kind of resource.
*/
if (num == 0 && has_acpi_companion(&dev->dev)) {
int ret = acpi_dev_gpio_irq_get(ACPI_COMPANION(&dev->dev), num);
ret = acpi_dev_gpio_irq_get(ACPI_COMPANION(&dev->dev), num);
/* Our callers expect -ENXIO for missing IRQs. */
if (ret >= 0 || ret == -EPROBE_DEFER)
return ret;
@ -277,10 +274,9 @@ static int __platform_get_irq_byname(struct platform_device *dev,
const char *name)
{
struct resource *r;
int ret;
if (IS_ENABLED(CONFIG_OF_IRQ) && dev->dev.of_node) {
int ret;
ret = of_irq_get_byname(dev->dev.of_node, name);
if (ret > 0 || ret == -EPROBE_DEFER)
return ret;