Merge branch 'stable/for-linus-fixes-3.2' of git://git.kernel.org/pub/scm/linux/kerne...

[pandora-kernel.git] / drivers / virtio / virtio_pci.c

diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 4bcc8b8..3d1bf41 100644 (file)
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -415,9 +415,13 @@ static struct virtqueue *setup_vq(struct virtio_device *vdev, unsigned index,
                }
        }
 
-       spin_lock_irqsave(&vp_dev->lock, flags);
-       list_add(&info->node, &vp_dev->virtqueues);
-       spin_unlock_irqrestore(&vp_dev->lock, flags);
+       if (callback) {
+               spin_lock_irqsave(&vp_dev->lock, flags);
+               list_add(&info->node, &vp_dev->virtqueues);
+               spin_unlock_irqrestore(&vp_dev->lock, flags);
+       } else {
+               INIT_LIST_HEAD(&info->node);
+       }
 
        return vq;
 
@@ -590,11 +594,11 @@ static struct virtio_config_ops virtio_pci_config_ops = {
 
 static void virtio_pci_release_dev(struct device *_d)
 {
-       struct virtio_device *dev = container_of(_d, struct virtio_device,
-                                                dev);
-       struct virtio_pci_device *vp_dev = to_vp_device(dev);
-
-       kfree(vp_dev);
+       /*
+        * No need for a release method as we allocate/free
+        * all devices together with the pci devices.
+        * Provide an empty one to avoid getting a warning from core.
+        */
 }
 
 /* the PCI probing function */
@@ -682,6 +686,7 @@ static void __devexit virtio_pci_remove(struct pci_dev *pci_dev)
        pci_iounmap(pci_dev, vp_dev->ioaddr);
        pci_release_regions(pci_dev);
        pci_disable_device(pci_dev);
+       kfree(vp_dev);
 }
 
 #ifdef CONFIG_PM