qemu/0001-usb-redir-Clear-iso-irq-error-when-stopping-the-stre.patch

From 8187027c26b65cac0e35edf81f0ca42672e793cb Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Mon, 19 Dec 2011 14:59:45 +0100
Subject: [PATCH] usb-redir: Clear iso / irq error when stopping the stream

And ignore status messages from the client which arrive after stream
stop (the stream stop send to the client and an error status reported by
the client my cross each other due to network latency).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 usb-redir.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/usb-redir.c b/usb-redir.c
index fb91c92..7678f1a 100644
--- a/usb-redir.c
+++ b/usb-redir.c
@@ -410,6 +410,7 @@ static void usbredir_stop_iso_stream(USBRedirDevice *dev, uint8_t ep)
         DPRINTF("iso stream stopped ep %02X\n", ep);
         dev->endpoint[EP2I(ep)].iso_started = 0;
     }
+    dev->endpoint[EP2I(ep)].iso_error = 0;
     usbredir_free_bufpq(dev, ep);
 }
 
@@ -522,6 +523,7 @@ static void usbredir_stop_interrupt_receiving(USBRedirDevice *dev,
         DPRINTF("interrupt recv stopped ep %02X\n", ep);
         dev->endpoint[EP2I(ep)].interrupt_started = 0;
     }
+    dev->endpoint[EP2I(ep)].interrupt_error = 0;
     usbredir_free_bufpq(dev, ep);
 }
 
@@ -1029,7 +1031,7 @@ static void usbredir_iso_stream_status(void *priv, uint32_t id,
     DPRINTF("iso status %d ep %02X id %u\n", iso_stream_status->status,
             ep, id);
 
-    if (!dev->dev.attached) {
+    if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].iso_started) {
         return;
     }
 
@@ -1050,7 +1052,7 @@ static void usbredir_interrupt_receiving_status(void *priv, uint32_t id,
     DPRINTF("interrupt recv status %d ep %02X id %u\n",
             interrupt_receiving_status->status, ep, id);
 
-    if (!dev->dev.attached) {
+    if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].interrupt_started) {
         return;
     }