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From 12351a91da97b414eec8cdb09f1d9f41e535a401 Mon Sep 17 00:00:00 2001
From: Li Qiang <liqiang6-s@360.cn>
Date: Wed, 14 Dec 2016 18:30:21 -0800
Subject: [PATCH] audio: ac97: add exit function
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit
http://git.qemu.org/?p=qemu.git;a=patch;h=12351a91da97b414eec8cdb09f1d9f41e535a401
this patch is from qemu-git
Currently the ac97 device emulation doesn't have a exit function,
hot unplug this device will leak some memory. Add a exit function to
avoid this.
Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 58520052.4825ed0a.27a71.6cae@mx.google.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
hw/audio/ac97.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c
index cbd959e..c306575 100644
--- a/hw/audio/ac97.c
+++ b/hw/audio/ac97.c
@@ -1387,6 +1387,16 @@ 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_close_in(&s->card, s->voice_pi);
+ AUD_close_out(&s->card, s->voice_po);
+ AUD_close_in(&s->card, s->voice_mc);
+ AUD_remove_card(&s->card);
+}
+
static int ac97_init (PCIBus *bus)
{
pci_create_simple (bus, -1, "AC97");
@@ -1404,6 +1414,7 @@ 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;
--
1.7.0.4
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