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driver core: platform: Make clear error code used for missed IRQ

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We have few code paths where same error code is assigned and
returned for missed IRQ. Unify that under single error path.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210331145937.35980-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2021-03-31 17:59:36 +03:00 • committed by Greg Kroah-Hartman
parent cc71079023
commit c99f4ebc68
1 changed files with 5 additions and 6 deletions
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11
drivers/base/platform.c
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@ -192,7 +192,7 @@ int platform_get_irq_optional(struct platform_device *dev, unsigned int num)
#ifdef CONFIG_SPARC
/* sparc does not have irqs represented as IORESOURCE_IRQ resources */
if (!dev || num >= dev->archdata.num_irqs)
return -ENXIO;
goto out_not_found;
ret = dev->archdata.irqs[num];
goto out;
#else
@ -223,10 +223,8 @@ int platform_get_irq_optional(struct platform_device *dev, unsigned int num)
struct irq_data *irqd;
irqd = irq_get_irq_data(r->start);
if (!irqd) {
ret = -ENXIO;
goto out;
}
if (!irqd)
goto out_not_found;
irqd_set_trigger_type(irqd, r->flags & IORESOURCE_BITS);
}
@ -249,8 +247,9 @@ int platform_get_irq_optional(struct platform_device *dev, unsigned int num)
goto out;
}
ret = -ENXIO;
#endif
out_not_found:
ret = -ENXIO;
out:
WARN(ret == 0, "0 is an invalid IRQ number\n");
return ret;