qemu/0037-usb-return-BABBLE-rather-then-NAK-when-we-receive-to.patch
Cole Robinson 1ffd2723e8 Fix -vga vmware crashes (bz #836260)
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2013-04-02 12:35:23 -04:00

68 lines
2.4 KiB
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From c767c83ab8061664dcd6ea05b692c2acf0efb27f Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Thu, 1 Mar 2012 17:22:14 +0100
Subject: [PATCH] usb: return BABBLE rather then NAK when we receive too much
data
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
usb-linux.c | 8 +++++++-
usb-redir.c | 4 ++--
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/usb-linux.c b/usb-linux.c
index 749ce71..9987a2c 100644
--- a/usb-linux.c
+++ b/usb-linux.c
@@ -391,6 +391,10 @@ static void async_complete(void *opaque)
p->result = USB_RET_STALL;
break;
+ case -EOVERFLOW:
+ p->result = USB_RET_BABBLE;
+ break;
+
default:
p->result = USB_RET_NAK;
break;
@@ -729,6 +733,8 @@ static int urb_status_to_usb_ret(int status)
switch (status) {
case -EPIPE:
return USB_RET_STALL;
+ case -EOVERFLOW:
+ return USB_RET_BABBLE;
default:
return USB_RET_NAK;
}
@@ -766,7 +772,7 @@ static int usb_host_handle_iso_data(USBHostDevice *s, USBPacket *p, int in)
} else if (aurb[i].urb.iso_frame_desc[j].actual_length
> p->iov.size) {
printf("husb: received iso data is larger then packet\n");
- len = USB_RET_NAK;
+ len = USB_RET_BABBLE;
/* All good copy data over */
} else {
len = aurb[i].urb.iso_frame_desc[j].actual_length;
diff --git a/usb-redir.c b/usb-redir.c
index d10be6f..7313140 100644
--- a/usb-redir.c
+++ b/usb-redir.c
@@ -456,7 +456,7 @@ static int usbredir_handle_iso_data(USBRedirDevice *dev, USBPacket *p,
ERROR("received iso data is larger then packet ep %02X (%d > %d)\n",
ep, len, (int)p->iov.size);
bufp_free(dev, isop, ep);
- return USB_RET_NAK;
+ return USB_RET_BABBLE;
}
usb_packet_copy(p, isop->data, len);
bufp_free(dev, isop, ep);
@@ -575,7 +575,7 @@ static int usbredir_handle_interrupt_data(USBRedirDevice *dev,
if (len > p->iov.size) {
ERROR("received int data is larger then packet ep %02X\n", ep);
bufp_free(dev, intp, ep);
- return USB_RET_NAK;
+ return USB_RET_BABBLE;
}
usb_packet_copy(p, intp->data, len);
bufp_free(dev, intp, ep);