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authorHans de Goede <hdegoede@redhat.com>2012-09-03 12:33:44 +0200
committerGerd Hoffmann <kraxel@redhat.com>2012-09-11 07:42:58 +0200
commitcc40997489260f405aecccd30d4626ceee862502 (patch)
tree8704189d4872cd33f15ae7abc7cbfbe0aace4e54 /hw/usb/core.c
parent45b339b18c660eb85af2ba25bfcaed5469660d77 (diff)
downloadqemu-cc40997489260f405aecccd30d4626ceee862502.tar.gz
usb-core: Don't set packet state to complete on a nak
This way the hcd can re-use the same packet to retry without needing to re-init it. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/core.c')
-rw-r--r--hw/usb/core.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/hw/usb/core.c b/hw/usb/core.c
index 2da38e7fd0..be6d936881 100644
--- a/hw/usb/core.c
+++ b/hw/usb/core.c
@@ -399,8 +399,10 @@ int usb_handle_packet(USBDevice *dev, USBPacket *p)
* otherwise packets can complete out of order!
*/
assert(!p->ep->pipeline);
- p->result = ret;
- usb_packet_set_state(p, USB_PACKET_COMPLETE);
+ if (ret != USB_RET_NAK) {
+ p->result = ret;
+ usb_packet_set_state(p, USB_PACKET_COMPLETE);
+ }
}
} else {
ret = USB_RET_ASYNC;