virtio: simplify the hardware structure

[dpdk.git] / lib / librte_pmd_virtio / virtio_pci.c

diff --git a/lib/librte_pmd_virtio/virtio_pci.c b/lib/librte_pmd_virtio/virtio_pci.c
index 386d8e0..ca9c748 100644 (file)
--- a/lib/librte_pmd_virtio/virtio_pci.c
+++ b/lib/librte_pmd_virtio/virtio_pci.c
@@ -82,14 +82,14 @@ vtpci_write_dev_config(struct virtio_hw *hw, uint64_t offset,
 }
 
 uint32_t
-vtpci_negotiate_features(struct virtio_hw *hw, uint32_t guest_features)
+vtpci_negotiate_features(struct virtio_hw *hw, uint32_t host_features)
 {
        uint32_t features;
        /*
         * Limit negotiated features to what the driver, virtqueue, and
         * host all support.
         */
-       features = (hw->host_features) & guest_features;
+       features = host_features & hw->guest_features;
 
        VIRTIO_WRITE_REG_4(hw, VIRTIO_PCI_GUEST_FEATURES, features);
        return features;