From 54414218d78c9d043417b27bb29bd0334b4e3cb5 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Fri, 13 Jul 2012 11:38:13 +0200
Subject: [PATCH] usb-storage: fix SYNCHRONIZE_CACHE

Commit 59310659073d85745854f2f10c4292555c5a1c51 is incomplete,
we'll arrive in the scsi command complete callback in CSW state
and must handle that case correctly.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/usb/dev-storage.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 976fe1acc5..ff48d91049 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -247,6 +247,9 @@ static void usb_msd_command_complete(SCSIRequest *req, uint32_t status, size_t r
                the status read packet.  */
             usb_msd_send_status(s, p);
             s->mode = USB_MSDM_CBW;
+        } else if (s->mode == USB_MSDM_CSW) {
+            usb_msd_send_status(s, p);
+            s->mode = USB_MSDM_CBW;
         } else {
             if (s->data_len) {
                 int len = (p->iov.size - p->result);