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[Qemu-devel] [PATCH 5/6] usb-redir: Return USB_RET_NAK when we've no dat
From: |
Hans de Goede |
Subject: |
[Qemu-devel] [PATCH 5/6] usb-redir: Return USB_RET_NAK when we've no data for an interrupt endpoint |
Date: |
Sun, 26 Feb 2012 16:14:47 +0100 |
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 <address@hidden>
---
usb-redir.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/usb-redir.c b/usb-redir.c
index c76e55d..ea828a8 100644
--- a/usb-redir.c
+++ b/usb-redir.c
@@ -558,7 +558,9 @@ 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);
--
1.7.7.6