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From b3950fe894e2b26f9dba0888af092cb43d01a466 Mon Sep 17 00:00:00 2001
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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Fri, 31 Aug 2012 10:31:54 +0200
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Subject: [PATCH] ehci: check for EHCI_ASYNC_FINISHED first in
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ehci_free_packet
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Otherwise we'll see the packet free twice in the trace log even though
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it actually happens only once.
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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(cherry picked from commit 616789cde2a83fad5e634880fd20214f0c984fd5)
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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hw/usb/hcd-ehci.c | 12 ++++++------
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1 file changed, 6 insertions(+), 6 deletions(-)
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diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
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index 0a6c9ef..23221d0 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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@@ -747,12 +747,6 @@ static EHCIPacket *ehci_alloc_packet(EHCIQueue *q)
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static void ehci_free_packet(EHCIPacket *p)
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{
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- trace_usb_ehci_packet_action(p->queue, p, "free");
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- if (p->async == EHCI_ASYNC_INFLIGHT) {
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- usb_cancel_packet(&p->packet);
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- usb_packet_unmap(&p->packet, &p->sgl);
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- qemu_sglist_destroy(&p->sgl);
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- }
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if (p->async == EHCI_ASYNC_FINISHED) {
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int state = ehci_get_state(p->queue->ehci, p->queue->async);
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/* This is a normal, but rare condition (cancel racing completion) */
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@@ -763,6 +757,12 @@ static void ehci_free_packet(EHCIPacket *p)
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/* state_writeback recurses into us with async == EHCI_ASYNC_NONE!! */
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return;
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}
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+ trace_usb_ehci_packet_action(p->queue, p, "free");
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+ if (p->async == EHCI_ASYNC_INFLIGHT) {
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+ usb_cancel_packet(&p->packet);
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+ usb_packet_unmap(&p->packet, &p->sgl);
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+ qemu_sglist_destroy(&p->sgl);
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+ }
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QTAILQ_REMOVE(&p->queue->packets, p, next);
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usb_packet_cleanup(&p->packet);
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g_free(p);
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--
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1.7.12.1
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