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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-14 04:00:01 -0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-14 04:00:01 -0200 |
| commit | d291ffb3cf4f8f74b73bac77478c619251ee8a9f (patch) | |
| tree | 65ac6eb9dd4113ab7ede46f873ed0b30faca8792 | |
| parent | 52e4c2a05256cb83cda12f3c2137ab1533344edb (diff) | |
| parent | 72103bd1285211440621f2c46f4fce377584de54 (diff) | |
Merge git://github.com/rustyrussell/linux
* git://github.com/rustyrussell/linux:
virtio-pci: fix use after free
| -rw-r--r-- | drivers/virtio/virtio_pci.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 79a31e5b4b6..3d1bf41e889 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -594,11 +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 */ @@ -686,6 +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 |