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Commit d57e2c07 authored by jing zhang's avatar jing zhang Committed by Avi Kivity
Browse files

KVM: fix assigned_device_enable_host_msix error handling 



Free IRQ's and disable MSIX upon failure.

Cc: Avi Kivity <avi@redhat.com>
Signed-off-by: default avatarJing Zhang <zj.barak@gmail.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent a87fa355

virt/kvm/assigned-dev.c

+6 −2
Original line number Diff line number Diff line
@@ -316,12 +316,16 @@ static int assigned_device_enable_host_msix(struct kvm *kvm, 
				kvm_assigned_dev_intr, 0,

				"kvm_assigned_msix_device",

				(void *)dev);

		/* FIXME: free requested_irq's on failure */

		if (r)

			return r;

			goto err;

	}



	return 0;

err:

	for (i -= 1; i >= 0; i--)

		free_irq(dev->host_msix_entries[i].vector, (void *)dev);

	pci_disable_msix(dev->dev);

	return r;

}



#endif