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KVM: use rcu access function for irq routing 

irq routing is rcu protected. Use the proper access functions.
Found by sparse

virt/kvm/irqchip.c:233:13: warning: incorrect type in assignment (different address spaces)
virt/kvm/irqchip.c:233:13:    expected struct kvm_irq_routing_table *old
virt/kvm/irqchip.c:233:13:    got struct kvm_irq_routing_table [noderef] <asn:4>*irq_routing

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
hifive-unleashed-5.1
Christian Borntraeger 2017-07-06 20:31:11 +02:00
parent 0e4524a5d3
commit 5535f800b0
1 changed files with 1 additions and 1 deletions
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2
virt/kvm/irqchip.c
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@ -230,7 +230,7 @@ int kvm_set_irq_routing(struct kvm *kvm,
}
mutex_lock(&kvm->irq_lock);
old = kvm->irq_routing;
old = rcu_dereference_protected(kvm->irq_routing, 1);
rcu_assign_pointer(kvm->irq_routing, new);
kvm_irq_routing_update(kvm);
kvm_arch_irq_routing_update(kvm);