X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fdisk_model.c;h=b142547f8b6b18639a5be963f0f312fef16f3fd9;hb=afca783e03bd737fe7bb02d498644df30bf5d4d9;hp=49ee0332729fe6b3edc7eb689118dbb8ffd092e3;hpb=e2964f7234daa3429275c039769a313f0870c212;p=palacios.git

diff --git a/palacios/src/devices/disk_model.c b/palacios/src/devices/disk_model.c
index 49ee033..b142547 100644
--- a/palacios/src/devices/disk_model.c
+++ b/palacios/src/devices/disk_model.c
@@ -58,8 +58,12 @@ static uint64_t model_get_capacity(void * private_data) {
     return model->ops->get_capacity(model->private_data);
 }
 
-static int model_free(struct vm_device * dev) {
-    return -1;
+static int model_free(struct disk_state * model) {
+
+    // unhook from frontend
+
+    V3_Free(model);
+    return 0;
 }
 
 
@@ -73,7 +77,7 @@ static struct v3_dev_blk_ops blk_ops = {
 
 
 static struct v3_device_ops dev_ops = {
-    .free = model_free,
+    .free = (int (*)(void *))model_free,
 };
 
 
@@ -106,15 +110,16 @@ static int model_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
 
     char * dev_id = v3_cfg_val(cfg, "ID");
 
-    struct vm_device * dev = v3_allocate_device(dev_id, &dev_ops, NULL);
+    struct vm_device * dev = v3_add_device(vm, dev_id, &dev_ops, NULL);
 
-    if (v3_attach_device(vm, dev) == -1) {
+    if (dev == NULL) {
 	PrintError("Could not attach device %s\n", dev_id);
 	return -1;
     }
 
     if (v3_dev_add_blk_frontend(vm, dev_id, connect_fn, NULL) == -1) {
 	PrintError("Could not register %s as block frontend\n", dev_id);
+	v3_remove_device(dev);
 	return -1;
     }