qemu/0148-usb-redir-Return-babble-when-getting-more-bulk-data-.patch

From 138e9d997e487dafbf686e0e1eba44a8b26dcaf7 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Tue, 28 Aug 2012 11:33:47 +0200
Subject: [PATCH] usb-redir: Return babble when getting more bulk data then
 requested

Babble is the appropriate error in this case (rather then signalling a stall).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 2979a36183a3902cd75665e7c6bbc8668668fd17)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
 hw/usb/redirect.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index fd1f8cc..ee75217 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -1324,9 +1324,9 @@ static void usbredir_bulk_packet(void *priv, uint32_t id,
             if (data_len <= p->iov.size) {
                 usb_packet_copy(p, data, data_len);
             } else {
-                ERROR("bulk buffer too small (%d > %zd)\n", data_len,
-                      p->iov.size);
-                len = USB_RET_STALL;
+                ERROR("bulk got more data then requested (%d > %zd)\n",
+                      data_len, p->iov.size);
+                len = USB_RET_BABBLE;
             }
         }
         p->result = len;