qemu/0125-usb-redir-Return-USB_R...

34 lines
1.2 KiB
Diff

From ddb24b5063e3b4c90295bd4ddaab3bfc428ae79b Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Sun, 26 Feb 2012 15:51:50 +0100
Subject: [PATCH 125/140] usb-redir: Return USB_RET_NAK when we've no data for
an interrupt endpoint
We should return USB_RET_NAK, rather then a 0 sized packet, when we've no data
for an interrupt IN endpoint.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
usb-redir.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/usb-redir.c b/usb-redir.c
index c76e55d..629c87d 100644
--- a/usb-redir.c
+++ b/usb-redir.c
@@ -558,7 +558,10 @@ static int usbredir_handle_interrupt_data(USBRedirDevice *dev,
/* Check interrupt_error for stream errors */
status = dev->endpoint[EP2I(ep)].interrupt_error;
dev->endpoint[EP2I(ep)].interrupt_error = 0;
- return usbredir_handle_status(dev, status, 0);
+ if (status) {
+ return usbredir_handle_status(dev, status, 0);
+ }
+ return USB_RET_NAK;
}
DPRINTF("interrupt-token-in ep %02X status %d len %d\n", ep,
intp->status, intp->len);
--
1.7.9.3