diff options
Diffstat (limited to 'drivers/staging/vt6656/usbpipe.c')
| -rw-r--r-- | drivers/staging/vt6656/usbpipe.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c index 43f1ef32a9ce..2164f45e13ab 100644 --- a/drivers/staging/vt6656/usbpipe.c +++ b/drivers/staging/vt6656/usbpipe.c @@ -456,7 +456,7 @@ int vnt_tx_context(struct vnt_private *priv, struct vnt_usb_send_context *context) { int status; - struct urb *urb = context->urb; + struct urb *urb; if (test_bit(DEVICE_FLAGS_DISCONNECTED, &priv->flags)) { context->in_use = false; @@ -468,6 +468,12 @@ int vnt_tx_context(struct vnt_private *priv, return -E2BIG; } + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (!urb) { + context->in_use = false; + return -ENOMEM; + } + usb_fill_bulk_urb(urb, priv->usb, usb_sndbulkpipe(priv->usb, 3), @@ -476,12 +482,16 @@ int vnt_tx_context(struct vnt_private *priv, vnt_tx_context_complete, context); + usb_anchor_urb(urb, &priv->tx_submitted); + status = usb_submit_urb(urb, GFP_ATOMIC); if (status) { dev_dbg(&priv->usb->dev, "Submit Tx URB failed %d\n", status); - + usb_unanchor_urb(urb); context->in_use = false; } + usb_free_urb(urb); + return status; } |