staging: vt6656: s_nsBulkInUsbIoCompleteRead check that used sk_buff is clean and...

skb_push the headroom and trimmed back to 0

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c
index c8b0ed5adf7a967075d7412d0a8ede744296adc2..dd031bbb25ba5c0ddeb5f8dae20907572fee493f 100644 (file)
--- a/drivers/staging/vt6656/usbpipe.c
+++ b/drivers/staging/vt6656/usbpipe.c
@@ -303,6 +303,9 @@ static void s_nsBulkInUsbIoCompleteRead(struct urb *urb)
                                spin_unlock_irqrestore(&priv->lock, flags);
                                return;
                        }
+               } else {
+                       skb_push(rcb->skb, skb_headroom(rcb->skb));
+                       skb_trim(rcb->skb, 0);
                }
 
                urb->transfer_buffer = skb_put(rcb->skb,