diff options
Diffstat (limited to 'virt/kvm/ioapic.c')
-rw-r--r-- | virt/kvm/ioapic.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c index 7c79c1d76d0c..3500dee9cf2b 100644 --- a/virt/kvm/ioapic.c +++ b/virt/kvm/ioapic.c | |||
@@ -192,12 +192,13 @@ static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq) | |||
192 | 192 | ||
193 | int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level) | 193 | int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level) |
194 | { | 194 | { |
195 | u32 old_irr = ioapic->irr; | 195 | u32 old_irr; |
196 | u32 mask = 1 << irq; | 196 | u32 mask = 1 << irq; |
197 | union kvm_ioapic_redirect_entry entry; | 197 | union kvm_ioapic_redirect_entry entry; |
198 | int ret = 1; | 198 | int ret = 1; |
199 | 199 | ||
200 | spin_lock(&ioapic->lock); | 200 | spin_lock(&ioapic->lock); |
201 | old_irr = ioapic->irr; | ||
201 | if (irq >= 0 && irq < IOAPIC_NUM_PINS) { | 202 | if (irq >= 0 && irq < IOAPIC_NUM_PINS) { |
202 | entry = ioapic->redirtbl[irq]; | 203 | entry = ioapic->redirtbl[irq]; |
203 | level ^= entry.fields.polarity; | 204 | level ^= entry.fields.polarity; |