diff options
| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2011-09-20 14:17:58 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2011-09-20 14:17:58 +0000 |
| commit | 3e677ca02cc2c67073879d6032d9ba0d417ea02c (patch) | |
| tree | 241eacbd6ea6027af324d87fb64b99072d7732d3 /sys/dev | |
| parent | f3536faf94f9cba0f040569c758ab0cd0f1d1822 (diff) | |
Notes
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/usb/usb_transfer.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/sys/dev/usb/usb_transfer.c b/sys/dev/usb/usb_transfer.c index d4c2408db7c9..cd7b2e2925eb 100644 --- a/sys/dev/usb/usb_transfer.c +++ b/sys/dev/usb/usb_transfer.c @@ -2417,8 +2417,9 @@ usbd_transfer_start_cb(void *arg) #if USB_HAVE_PF usbpf_xfertap(xfer, USBPF_XFERTAP_SUBMIT); #endif - /* start the transfer */ - (ep->methods->start) (xfer); + /* start USB transfer, if no error */ + if (xfer->error == 0) + (ep->methods->start) (xfer); xfer->flags_int.can_cancel_immed = 1; @@ -2597,8 +2598,9 @@ usbd_pipe_start(struct usb_xfer_queue *pq) #if USB_HAVE_PF usbpf_xfertap(xfer, USBPF_XFERTAP_SUBMIT); #endif - /* start USB transfer */ - (ep->methods->start) (xfer); + /* start USB transfer, if no error */ + if (xfer->error == 0) + (ep->methods->start) (xfer); xfer->flags_int.can_cancel_immed = 1; |