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x86/ioapic: Return suitable error code in mp_map_gsi_to_irq()
mp_map_gsi_to_irq() in some cases might return legacy -1, which would be wrongly interpreted as -EPERM. Correct those cases to return proper error code. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: http://lkml.kernel.org/r/20170119192425.189899-2-andriy.shevchenko@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -1107,12 +1107,12 @@ int mp_map_gsi_to_irq(u32 gsi, unsigned int flags, struct irq_alloc_info *info)
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ioapic = mp_find_ioapic(gsi);
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if (ioapic < 0)
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return -1;
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return -ENODEV;
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pin = mp_find_ioapic_pin(ioapic, gsi);
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idx = find_irq_entry(ioapic, pin, mp_INT);
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if ((flags & IOAPIC_MAP_CHECK) && idx < 0)
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return -1;
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return -ENODEV;
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return mp_map_pin_to_irq(gsi, idx, ioapic, pin, flags, info);
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}
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