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authorGerd Hoffmann <kraxel@redhat.com>2012-08-31 10:31:54 +0200
committerGerd Hoffmann <kraxel@redhat.com>2012-09-11 07:42:59 +0200
commit616789cde2a83fad5e634880fd20214f0c984fd5 (patch)
tree59d2823bd71c768384827d0769dd3853573d86d2
parent4b63a0df3bda8a2c278e45d9d94d9ba6d5791d8d (diff)
ehci: check for EHCI_ASYNC_FINISHED first in ehci_free_packet
Otherwise we'll see the packet free twice in the trace log even though it actually happens only once. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
-rw-r--r--hw/usb/hcd-ehci.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index 0a6c9ef19..23221d0c0 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -747,12 +747,6 @@ static EHCIPacket *ehci_alloc_packet(EHCIQueue *q)
static void ehci_free_packet(EHCIPacket *p)
{
- trace_usb_ehci_packet_action(p->queue, p, "free");
- if (p->async == EHCI_ASYNC_INFLIGHT) {
- usb_cancel_packet(&p->packet);
- usb_packet_unmap(&p->packet, &p->sgl);
- qemu_sglist_destroy(&p->sgl);
- }
if (p->async == EHCI_ASYNC_FINISHED) {
int state = ehci_get_state(p->queue->ehci, p->queue->async);
/* This is a normal, but rare condition (cancel racing completion) */
@@ -763,6 +757,12 @@ static void ehci_free_packet(EHCIPacket *p)
/* state_writeback recurses into us with async == EHCI_ASYNC_NONE!! */
return;
}
+ trace_usb_ehci_packet_action(p->queue, p, "free");
+ if (p->async == EHCI_ASYNC_INFLIGHT) {
+ usb_cancel_packet(&p->packet);
+ usb_packet_unmap(&p->packet, &p->sgl);
+ qemu_sglist_destroy(&p->sgl);
+ }
QTAILQ_REMOVE(&p->queue->packets, p, next);
usb_packet_cleanup(&p->packet);
g_free(p);