From 432dce181a267465b10d3e4bca025314d85ff76f Mon Sep 17 00:00:00 2001
From: Serhii Popovych <spopovyc@redhat.com>
Date: Mon, 9 Jul 2018 11:31:18 +0200
Subject: [PATCH 202/268] Revert "usb: release the created buses"
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RH-Author: Serhii Popovych <spopovyc@redhat.com>
Message-id: <1531135878-18813-4-git-send-email-spopovyc@redhat.com>
Patchwork-id: 81266
O-Subject: [RHEL-7.6 qemu-kvm-rhev PATCH v2 3/3] Revert "usb: release the created buses"
Bugzilla: 1556678
RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
RH-Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
RH-Acked-by: David Gibson <dgibson@redhat.com>

From: Marc-André Lureau <marcandre.lureau@redhat.com>

The USB device don't hold the bus. There is no ASAN related reports
anymore.

This reverts commit cd7bc87868d534f95e928cad98e2a52df7695771.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20180613172815.32738-3-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 9b5c2fd53feb574036747d0284fd7f73dfedc89c)
Signed-off-by: Serhii Popovych <spopovyc@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 hw/usb/dev-storage.c | 16 ----------------
 hw/usb/dev-uas.c     |  2 --
 2 files changed, 18 deletions(-)

diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 68e2062..9fb00a9 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -589,13 +589,6 @@ static const struct SCSIBusInfo usb_msd_scsi_info_bot = {
     .load_request = usb_msd_load_request,
 };
 
-static void usb_msd_unrealize_storage(USBDevice *dev, Error **errp)
-{
-    MSDState *s = USB_STORAGE_DEV(dev);
-
-    object_unref(OBJECT(&s->bus));
-}
-
 static void usb_msd_storage_realize(USBDevice *dev, Error **errp)
 {
     MSDState *s = USB_STORAGE_DEV(dev);
@@ -645,13 +638,6 @@ static void usb_msd_storage_realize(USBDevice *dev, Error **errp)
     s->scsi_dev = scsi_dev;
 }
 
-static void usb_msd_bot_unrealize(USBDevice *dev, Error **errp)
-{
-    MSDState *s = USB_STORAGE_DEV(dev);
-
-    object_unref(OBJECT(&s->bus));
-}
-
 static void usb_msd_bot_realize(USBDevice *dev, Error **errp)
 {
     MSDState *s = USB_STORAGE_DEV(dev);
@@ -716,7 +702,6 @@ static void usb_msd_class_storage_initfn(ObjectClass *klass, void *data)
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 
     uc->realize = usb_msd_storage_realize;
-    uc->unrealize = usb_msd_unrealize_storage;
     dc->props = msd_properties;
 }
 
@@ -779,7 +764,6 @@ static void usb_msd_class_bot_initfn(ObjectClass *klass, void *data)
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 
     uc->realize = usb_msd_bot_realize;
-    uc->unrealize = usb_msd_bot_unrealize;
     uc->attached_settable = true;
 }
 
diff --git a/hw/usb/dev-uas.c b/hw/usb/dev-uas.c
index c218b53..eaf515d 100644
--- a/hw/usb/dev-uas.c
+++ b/hw/usb/dev-uas.c
@@ -896,8 +896,6 @@ static void usb_uas_unrealize(USBDevice *dev, Error **errp)
     UASDevice *uas = USB_UAS(dev);
 
     qemu_bh_delete(uas->status_bh);
-
-    object_unref(OBJECT(&uas->bus));
 }
 
 static void usb_uas_realize(USBDevice *dev, Error **errp)
-- 
1.8.3.1