- Add support for Spice seamless migration - Add support for Spice dynamic monitors - Add support for usb-redir live migration
36 lines
1.3 KiB
Diff
36 lines
1.3 KiB
Diff
From d17b1ad80cba3354b3eca5b8464bf7bb3f8e95c1 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 12:17:48 +0200
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Subject: [PATCH 316/366] ehci: Correct a comment in fetchqtd packet
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processing
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Since my previous comment said "Should never happen", I tried changing the
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next line to an assert(0), which did not go well, which as the new comments
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explains is logical if you think about it for a moment.
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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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---
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hw/usb/hcd-ehci.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
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index 2534394..2f3e9c0 100644
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--- a/hw/usb/hcd-ehci.c
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+++ b/hw/usb/hcd-ehci.c
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@@ -2045,7 +2045,10 @@ static int ehci_state_fetchqtd(EHCIQueue *q)
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ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH);
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break;
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case EHCI_ASYNC_FINISHED:
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- /* Should never happen, as this case is caught by fetchqh */
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+ /*
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+ * We get here when advqueue moves to a packet which is already
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+ * finished, which can happen with packets queued up by fill_queue
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+ */
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ehci_set_state(q->ehci, q->async, EST_EXECUTING);
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break;
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}
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--
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1.7.12
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