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Diffstat (limited to 'arch/x86/kernel/acpi/boot.c')
-rw-r--r--arch/x86/kernel/acpi/boot.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index c7f61cf5e43d..8e594a489d75 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -192,7 +192,7 @@ static void acpi_register_lapic(int id, u8 enabled)
{
unsigned int ver = 0;
- if (id >= (MAX_LOCAL_APIC-1)) {
+ if (id >= MAX_LOCAL_APIC) {
printk(KERN_INFO PREFIX "skipped apicid that is too big\n");
return;
}
@@ -1113,6 +1113,7 @@ int mp_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity)
int ioapic;
int ioapic_pin;
struct io_apic_irq_attr irq_attr;
+ int ret;
if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC)
return gsi;
@@ -1142,7 +1143,9 @@ int mp_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity)
set_io_apic_irq_attr(&irq_attr, ioapic, ioapic_pin,
trigger == ACPI_EDGE_SENSITIVE ? 0 : 1,
polarity == ACPI_ACTIVE_HIGH ? 0 : 1);
- io_apic_set_pci_routing(dev, gsi_to_irq(gsi), &irq_attr);
+ ret = io_apic_set_pci_routing(dev, gsi_to_irq(gsi), &irq_attr);
+ if (ret < 0)
+ gsi = INT_MIN;
return gsi;
}