Commit-ID: 358e96deaed3330a59d9dd6a7e419f4da08d6497 Gitweb: http://git.kernel.org/tip/358e96deaed3330a59d9dd6a7e419f4da08d6497 Author: Andy Shevchenko <andriy.shevche...@linux.intel.com> AuthorDate: Thu, 19 Jan 2017 21:24:22 +0200 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Fri, 20 Jan 2017 10:07:41 +0100
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.shevche...@linux.intel.com> Link: http://lkml.kernel.org/r/20170119192425.189899-2-andriy.shevche...@linux.intel.com Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- arch/x86/kernel/apic/io_apic.c | 4 ++-- 1 file 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); }
