From: Malcolm Priestley <tvboxspy@gmail.com>
Date: Mon, 17 Feb 2014 21:16:20 +0000 (+0000)
Subject: staging: vt6656: s_nsInterruptUsbIoCompleteRead add urb status returns
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c98fbf9075e61a611edbb35475f2001197ca113e;p=linux.git

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 258eec13b8dfd..d18cb2f0fb419 100644
--- 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);