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authorMichael S. Tsirkin <mst@redhat.com>2014-12-04 20:20:27 +0200
committerMichael S. Tsirkin <mst@redhat.com>2014-12-09 16:32:32 +0200
commit5c609a5ef05d98e26778824ba84581fe5e400db6 (patch)
tree487da89e8ad7ef9d3bcb485ae877518f1669e18b /drivers/virtio/virtio_pci.c
parentce15408f350c4b97635618692a45aedabfdd2696 (diff)
downloadtalos-obmc-linux-5c609a5ef05d98e26778824ba84581fe5e400db6.tar.gz
talos-obmc-linux-5c609a5ef05d98e26778824ba84581fe5e400db6.zip
virtio: allow finalize_features to fail
This will make it easy for transports to validate features and return failure. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/virtio/virtio_pci.c')
-rw-r--r--drivers/virtio/virtio_pci.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index dd6df979862b..9be59d9f2f19 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -112,7 +112,7 @@ static u64 vp_get_features(struct virtio_device *vdev)
}
/* virtio config->finalize_features() implementation */
-static void vp_finalize_features(struct virtio_device *vdev)
+static int vp_finalize_features(struct virtio_device *vdev)
{
struct virtio_pci_device *vp_dev = to_vp_device(vdev);
@@ -124,6 +124,8 @@ static void vp_finalize_features(struct virtio_device *vdev)
/* We only support 32 feature bits. */
iowrite32(vdev->features, vp_dev->ioaddr + VIRTIO_PCI_GUEST_FEATURES);
+
+ return 0;
}
/* virtio config->get() implementation */
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