X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Flnx_virtio_balloon.c;h=e936f9e8be95205d1fd1b93e9ed87f98e1449d09;hb=460ac979ecba88a7526afb10733b24ff2f27d57b;hp=a6203087d11596bf6a67eea0907aa57b26c016a3;hpb=e2964f7234daa3429275c039769a313f0870c212;p=palacios.git

diff --git a/palacios/src/devices/lnx_virtio_balloon.c b/palacios/src/devices/lnx_virtio_balloon.c
index a620308..e936f9e 100644
--- a/palacios/src/devices/lnx_virtio_balloon.c
+++ b/palacios/src/devices/lnx_virtio_balloon.c
@@ -77,9 +77,7 @@ struct virtio_balloon_state {
 };
 
 
-static int virtio_free(struct vm_device * dev) {
-    return -1;
-}
+
 
 static int virtio_reset(struct virtio_balloon_state * virtio) {
 
@@ -361,10 +359,17 @@ static int virtio_io_read(struct guest_info * core, uint16_t port, void * dst, u
 }
 
 
+static int virtio_free(struct virtio_balloon_state * virtio) {
+
+    // unregister from PCI
+
+    V3_Free(virtio);
+    return 0;
+}
 
 
 static struct v3_device_ops dev_ops = {
-    .free = virtio_free,
+    .free = (int (*)(void *))virtio_free,
 
 };
 
@@ -419,19 +424,18 @@ static int virtio_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
     }
 
     
-    virtio_state  = (struct virtio_balloon_state *)V3_Malloc(sizeof(struct virtio_balloon_state));
+    virtio_state = (struct virtio_balloon_state *)V3_Malloc(sizeof(struct virtio_balloon_state));
     memset(virtio_state, 0, sizeof(struct virtio_balloon_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;
     }
 
-
-
-
     // PCI initialization
     {
 	struct v3_pci_bar bars[6];
@@ -476,6 +480,7 @@ 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;
 	}