[PATCH 4/5] staging: octeon-usb: return transferred bytes only on success

[Aaro Koskinen]

Return transferred bytes only when transfer was successful.

Signed-off-by: Aaro Koskinen <aaro.koskinen at iki.fi>
---
 drivers/staging/octeon-usb/octeon-hcd.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/octeon-usb/octeon-hcd.c b/drivers/staging/octeon-usb/octeon-hcd.c
index 59cf921..a65b708 100644
--- a/drivers/staging/octeon-usb/octeon-hcd.c
+++ b/drivers/staging/octeon-usb/octeon-hcd.c
@@ -2162,7 +2162,11 @@ static void octeon_usb_urb_complete_callback(struct cvmx_usb_state *usb,
 	struct usb_hcd *hcd = octeon_to_hcd(priv);
 	struct device *dev = hcd->self.controller;
 
-	urb->actual_length = bytes_transferred;
+	if (likely(status == CVMX_USB_COMPLETE_SUCCESS))
+		urb->actual_length = bytes_transferred;
+	else
+		urb->actual_length = 0;
+
 	urb->hcpriv = NULL;
 
 	/* For Isochronous transactions we need to update the URB packet status
-- 
2.0.0