[PATCH 1/2] usbip: vhci_hcd: only return urb at enqueue when served

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We handle USB_REQ_SET_ADDRESS at enqueue, so we want to perform
cleanup and giveback the urb. We should not call usb_hcd_giveback_urb
when we're cleaning up after a failed enqueue, though.

Only giveback the urb at cleanup when we claim to have served it.

Signed-off-by: Igor Kotrasinski <i.kotrasinsk@xxxxxxxxxxx>
---
 drivers/usb/usbip/vhci_hcd.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
index e9ef1ec..8c281af 100644
--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -565,7 +565,9 @@ no_need_xmit:
 	usb_hcd_unlink_urb_from_ep(hcd, urb);
 no_need_unlink:
 	spin_unlock(&the_controller->lock);
-	usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, urb->status);
+	if (!ret)
+		usb_hcd_giveback_urb(vhci_to_hcd(the_controller),
+				     urb, urb->status);
 	return ret;
 }
 
-- 
1.9.1

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