2014-02-17 21:16:33

by Malcolm Priestley

[permalink] [raw]
Subject: [PATCH 2/5] 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 <[email protected]>
---
drivers/staging/vt6656/usbpipe.c | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c
index 258eec1..d18cb2f 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);
--
1.9.rc1