diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2017-01-19 21:24:22 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-01-20 10:07:41 +0100 |
| commit | 358e96deaed3330a59d9dd6a7e419f4da08d6497 (patch) | |
| tree | a59d642ea2dc4f155e0619a35372ebdc57c6305f | |
| parent | 81a71176740624ef3b1bff50c51e7b4aa187353d (diff) | |
| download | op-kernel-dev-358e96deaed3330a59d9dd6a7e419f4da08d6497.zip op-kernel-dev-358e96deaed3330a59d9dd6a7e419f4da08d6497.tar.gz | |
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>
| -rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 945e512..f62c38d 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1107,12 +1107,12 @@ int mp_map_gsi_to_irq(u32 gsi, unsigned int flags, struct irq_alloc_info *info) ioapic = mp_find_ioapic(gsi); if (ioapic < 0) - return -1; + return -ENODEV; pin = mp_find_ioapic_pin(ioapic, gsi); idx = find_irq_entry(ioapic, pin, mp_INT); if ((flags & IOAPIC_MAP_CHECK) && idx < 0) - return -1; + return -ENODEV; return mp_map_pin_to_irq(gsi, idx, ioapic, pin, flags, info); } |
