If virtio interface attached to vfio driver then
do not parse for virtio resource. Instead exit with return 0;

Signed-off-by: Santosh Shukla <sshukla at mvista.com>
---
v5-->v6:
- Removed _noimmu and using deafult rte_kdrv_vfio for drv check.

 drivers/net/virtio/virtio_pci.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c
index 71d4a07..d73a3ad 100644
--- a/drivers/net/virtio/virtio_pci.c
+++ b/drivers/net/virtio/virtio_pci.c
@@ -515,7 +515,9 @@ virtio_resource_init_by_ioports(struct rte_pci_device 
*pci_dev)
 static int
 legacy_virtio_resource_init(struct rte_pci_device *pci_dev)
 {
-       if (virtio_resource_init_by_uio(pci_dev) == 0)
+       if (pci_dev->kdrv == RTE_KDRV_VFIO)
+               return 0;
+       else if (virtio_resource_init_by_uio(pci_dev) == 0)
                return 0;
        else
                return virtio_resource_init_by_ioports(pci_dev);
-- 
1.7.9.5

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