Merge git://github.com/rustyrussell/linux
* git://github.com/rustyrussell/linux:
virtio-pci: fix use after free
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 79a31e5..3d1bf41 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -594,11 +594,11 @@
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 */
@@ -686,6 +686,7 @@
pci_iounmap(pci_dev, vp_dev->ioaddr);
pci_release_regions(pci_dev);
pci_disable_device(pci_dev);
+ kfree(vp_dev);
}
#ifdef CONFIG_PM