added device checkpoint hooks

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

diff --git a/palacios/src/devices/lnx_virtio_sym.c b/palacios/src/devices/lnx_virtio_sym.c
index b5ca9e8..f5b6501 100644 (file)
--- a/palacios/src/devices/lnx_virtio_sym.c
+++ b/palacios/src/devices/lnx_virtio_sym.c
@@ -337,11 +337,18 @@ static int virtio_io_read(struct guest_info * core, uint16_t port, void * dst, u
 }
 
 
+int virtio_free(struct virtio_sym_state * virtio_state) {
+
+    // unregister from PCI
+
+    V3_Free(virtio_state);
+    return 0;
+}
 
    
 
 static struct v3_device_ops dev_ops = {
-    .free = NULL,
+    .free = (int (*)(void *))virtio_free,
 };
 
 
@@ -365,9 +372,11 @@ static int virtio_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
     memset(virtio_state, 0, sizeof(struct virtio_sym_state));
 
 
-    struct vm_device * dev = v3_allocate_device(dev_id, &dev_ops, virtio_state);
-    if (v3_attach_device(vm, dev) == -1) {
+    struct vm_device * dev = v3_add_device(vm, dev_id, &dev_ops, virtio_state);
+
+    if (dev == NULL) {
        PrintError("Could not attach device %s\n", dev_id);
+       V3_Free(virtio_state);
        return -1;
     }
 
@@ -415,6 +424,7 @@ static int virtio_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
 
        if (!pci_dev) {
            PrintError("Could not register PCI Device\n");
+           v3_remove_device(dev);
            return -1;
        }