for (i = 0; i < assigned_dev->entries_nr; i++)
                        free_irq(assigned_dev->host_msix_entries[i].vector,
-                                (void *)assigned_dev);
+                                assigned_dev);
 
                assigned_dev->entries_nr = 0;
                kfree(assigned_dev->host_msix_entries);
                /* Deal with MSI and INTx */
                disable_irq(assigned_dev->host_irq);
 
-               free_irq(assigned_dev->host_irq, (void *)assigned_dev);
+               free_irq(assigned_dev->host_irq, assigned_dev);
 
                if (assigned_dev->irq_requested_type & KVM_DEV_IRQ_HOST_MSI)
                        pci_disable_msi(assigned_dev->dev);
         * are going to be long delays in accepting, acking, etc.
         */
        if (request_threaded_irq(dev->host_irq, NULL, kvm_assigned_dev_thread,
-                                IRQF_ONESHOT, dev->irq_name, (void *)dev))
+                                IRQF_ONESHOT, dev->irq_name, dev))
                return -EIO;
        return 0;
 }
 
        dev->host_irq = dev->dev->irq;
        if (request_threaded_irq(dev->host_irq, NULL, kvm_assigned_dev_thread,
-                                0, dev->irq_name, (void *)dev)) {
+                                0, dev->irq_name, dev)) {
                pci_disable_msi(dev->dev);
                return -EIO;
        }
        for (i = 0; i < dev->entries_nr; i++) {
                r = request_threaded_irq(dev->host_msix_entries[i].vector,
                                         NULL, kvm_assigned_dev_thread,
-                                        0, dev->irq_name, (void *)dev);
+                                        0, dev->irq_name, dev);
                if (r)
                        goto err;
        }
        return 0;
 err:
        for (i -= 1; i >= 0; i--)
-               free_irq(dev->host_msix_entries[i].vector, (void *)dev);
+               free_irq(dev->host_msix_entries[i].vector, dev);
        pci_disable_msix(dev->dev);
        return r;
 }