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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2017-07-06 20:31:11 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2017-07-07 15:24:15 +0200 |
| commit | 5535f800b0e1533e5f3a1428f6ef25eb29eccc0f (patch) | |
| tree | 98aa5a717db281a48dc3b794dd5af16f24b844e1 /virt | |
| parent | 0e4524a5d341e719e8ee9ee7db5d58e2c5a4c10e (diff) | |
| download | lwn-5535f800b0e1533e5f3a1428f6ef25eb29eccc0f.tar.gz lwn-5535f800b0e1533e5f3a1428f6ef25eb29eccc0f.zip | |
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>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/irqchip.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/virt/kvm/irqchip.c b/virt/kvm/irqchip.c index 31e40c9e81df..b1286c4e0712 100644 --- a/virt/kvm/irqchip.c +++ b/virt/kvm/irqchip.c @@ -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); |