[Qemu-devel] [PATCH] audio: ac97: add exit function

[Li Qiang]

From: Li Qiang <address@hidden>

Currently the ac97 device emulation doesn't have a exit function,
hot unplug this device will leak some leak. Add a exit function to
avoid this.

Signed-off-by: Li Qiang <address@hidden>
---
 hw/audio/ac97.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c
index cbd959e..2faed35 100644
--- a/hw/audio/ac97.c
+++ b/hw/audio/ac97.c
@@ -1387,6 +1387,13 @@ static void ac97_realize(PCIDevice *dev, Error **errp)
     ac97_on_reset (&s->dev.qdev);
 }
 
+static void ac97_exit(PCIDevice *dev)
+{
+    AC97LinkState *s = DO_UPCAST(AC97LinkState, dev, dev);
+
+    AUD_remove_card(&s->card);
+}
+
 static int ac97_init (PCIBus *bus)
 {
     pci_create_simple (bus, -1, "AC97");
@@ -1404,6 +1411,7 @@ static void ac97_class_init (ObjectClass *klass, void 
*data)
     PCIDeviceClass *k = PCI_DEVICE_CLASS (klass);
 
     k->realize = ac97_realize;
+    k->exit = ac97_exit;
     k->vendor_id = PCI_VENDOR_ID_INTEL;
     k->device_id = PCI_DEVICE_ID_INTEL_82801AA_5;
     k->revision = 0x01;
-- 
1.8.3.1