Set assigned_dev->irq_source_id to -1 so that we can avoid freeing
a source ID which we never allocated.
Signed-off-by: Mark McLoughlin <[EMAIL PROTECTED]>
---
virt/kvm/kvm_main.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 8dab7ce..63fd882 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -210,7 +210,10 @@ static void kvm_free_assigned_device(struct kvm *kvm,
pci_disable_msi(assigned_dev->dev);
kvm_unregister_irq_ack_notifier(&assigned_dev->ack_notifier);
- kvm_free_irq_source_id(kvm, assigned_dev->irq_source_id);
+
+ if (assigned_dev->irq_source_id != -1)
+ kvm_free_irq_source_id(kvm, assigned_dev->irq_source_id);
+ assigned_dev->irq_source_id = -1;
if (cancel_work_sync(&assigned_dev->interrupt_work))
/* We had pending work. That means we will have to take
@@ -466,7 +469,7 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm,
match->host_busnr = assigned_dev->busnr;
match->host_devfn = assigned_dev->devfn;
match->dev = dev;
-
+ match->irq_source_id = -1;
match->kvm = kvm;
list_add(&match->list, &kvm->arch.assigned_dev_head);
--
1.5.4.3
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