added stricter types to the msr hook framework

[palacios.git] / palacios / src / devices / lnx_virtio_nic.c

diff --git a/palacios/src/devices/lnx_virtio_nic.c b/palacios/src/devices/lnx_virtio_nic.c
index d0ac9a5..ca56633 100644 (file)
--- a/palacios/src/devices/lnx_virtio_nic.c
+++ b/palacios/src/devices/lnx_virtio_nic.c
@@ -232,8 +232,10 @@ static int handle_rx_kick(struct guest_info *core,
 
     flags = v3_lock_irqsave(virtio->rx_lock);
 
-    virtio->net_ops->start_rx(virtio->backend_data);
-    //disable_cb(&virtio->rx_vq);
+    if(virtio->net_ops->start_rx != NULL){
+       virtio->net_ops->start_rx(virtio->backend_data);
+    }
+       //disable_cb(&virtio->rx_vq);
 
     v3_unlock_irqrestore(virtio->rx_lock, flags);
        
@@ -647,9 +649,18 @@ exit:
     return ret_val;
 }
 
-static int virtio_free(struct virtio_net_state * virtio) {
-       
-    // unregister from PCI
+static int virtio_free(struct virtio_dev_state * virtio) {
+    struct virtio_net_state * backend = NULL;
+    struct virtio_net_state * tmp = NULL;
+
+
+    list_for_each_entry_safe(backend, tmp, &(virtio->dev_list), dev_link) {
+
+       // unregister from PCI
+
+       list_del(&(backend->dev_link));
+       V3_Free(backend);
+    }
 
     V3_Free(virtio);
     return 0;
@@ -768,6 +779,10 @@ static int register_dev(struct virtio_dev_state * virtio,
     
     virtio_init_state(net_state);
 
+
+    /* Add backend to list of devices */
+    list_add(&(net_state->dev_link), &(virtio->dev_list));
+
     return 0;
 }