Fix libvirt + seccomp combo (bz #855162) Fix scsi hotplug crash (bz #879657) Fix QOM refcount crash (bz #881486)
36 lines
1.3 KiB
Diff
36 lines
1.3 KiB
Diff
From 2a2b40b145764ece12d0872ae5bb7b7ec2dc271f Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Mon, 3 Sep 2012 12:48:49 +0200
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Subject: [PATCH] usb-core: Allow the first packet of a pipelined ep to
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complete immediately
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This can happen with usb-redir live-migration when the packet gets re-queued
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after the migration and the original queuing from the migration source side
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has already finished.
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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(cherry picked from commit 9c1f67654ab611553bbfca54a1e0922728c25760)
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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hw/usb/core.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/hw/usb/core.c b/hw/usb/core.c
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index fe431d0..b9f1f7a 100644
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--- a/hw/usb/core.c
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+++ b/hw/usb/core.c
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@@ -398,7 +398,7 @@ int usb_handle_packet(USBDevice *dev, USBPacket *p)
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* When pipelining is enabled usb-devices must always return async,
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* otherwise packets can complete out of order!
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*/
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- assert(!p->ep->pipeline);
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+ assert(!p->ep->pipeline || QTAILQ_EMPTY(&p->ep->queue));
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if (ret != USB_RET_NAK) {
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p->result = ret;
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usb_packet_set_state(p, USB_PACKET_COMPLETE);
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--
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1.8.0.2
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