staging: vt6656: s_nsInterruptUsbIoCompleteRead add urb status returns

Drop out of urb return on usb errors and set intBuf.bInUse to false.

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 258eec1..d18cb2f 100644 (file)
--- a/drivers/staging/vt6656/usbpipe.c
+++ b/drivers/staging/vt6656/usbpipe.c
@@ -364,6 +364,19 @@ static void s_nsInterruptUsbIoCompleteRead(struct urb *urb)
     //      4) The irp was cancelled.
     //      5) Some other failure from the USB device object.
     //
+       switch (urb->status) {
+       case 0:
+       case -ETIMEDOUT:
+               break;
+       case -ECONNRESET:
+       case -ENOENT:
+       case -ESHUTDOWN:
+               pDevice->intBuf.bInUse = false;
+               return;
+       default:
+               break;
+       }
+
     ntStatus = urb->status;
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"s_nsInterruptUsbIoCompleteRead Status %d\n", ntStatus);