Introduce VLANClientState::cleanup() (Mark McLoughlin)

We're currently leaking memory and file descriptors on device
hot-unplug.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7150 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 22 insertions, 1 deletions

diff --git a/hw/eepro100.c b/hw/eepro100.c
index c72b990..18d8115 100644
--- a/hw/eepro100.c
+++ b/hw/eepro100.c
@@ -1710,6 +1710,25 @@ static void nic_save(QEMUFile * f, void *opaque)
     qemu_put_buffer(f, s->configuration, sizeof(s->configuration));
 }
 
+static void nic_cleanup(VLANClientState *vc)
+{
+    EEPRO100State *s = vc->opaque;
+
+    unregister_savevm(vc->model, s);
+
+    eeprom93xx_free(s->eeprom);
+}
+
+static int pci_nic_uninit(PCIDevice *dev)
+{
+    PCIEEPRO100State *d = (PCIEEPRO100State *) dev;
+    EEPRO100State *s = &d->eepro100;
+
+    cpu_unregister_io_memory(s->mmio_index);
+
+    return 0;
+}
+
 static PCIDevice *nic_init(PCIBus * bus, NICInfo * nd, uint32_t device)
 {
     PCIEEPRO100State *d;
@@ -1720,6 +1739,7 @@ static PCIDevice *nic_init(PCIBus * bus, NICInfo * nd, uint32_t device)
     d = (PCIEEPRO100State *) pci_register_device(bus, nd->model,
                                                  sizeof(PCIEEPRO100State), -1,
                                                  NULL, NULL);
+    d->dev.unregister = pci_nic_uninit;
 
     s = &d->eepro100;
     s->device = device;
@@ -1750,7 +1770,8 @@ static PCIDevice *nic_init(PCIBus * bus, NICInfo * nd, uint32_t device)
     nic_reset(s);
 
     s->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name,
-                                 nic_receive, nic_can_receive, s);
+                                 nic_receive, nic_can_receive,
+                                 nic_cleanup, s);
 
     qemu_format_nic_info_str(s->vc, s->macaddr);