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can: usb_8dev: Fix memory leak in usb_8dev_start_xmit

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Fixed a memory leak when an error occurred in the transmit function. In the
error handling the urb wasn't freed before returning. There was also a call to
the usb_unanchor_urb() function but the urb wasn't anchored.

Signed-off-by: Bjorn Van Tilt <bjorn.vantilt@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Bjorn Van Tilt 2014-03-24 15:32:08 +01:00 committed by Marc Kleine-Budde
parent 17e84a9253
commit 636d0375e7
1 changed files with 1 additions and 1 deletions
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2
drivers/net/can/usb/usb_8dev.c
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@ -697,8 +697,8 @@ static netdev_tx_t usb_8dev_start_xmit(struct sk_buff *skb,
return NETDEV_TX_OK;
nofreecontext:
usb_unanchor_urb(urb);
usb_free_coherent(priv->udev, size, buf, urb->transfer_dma);
usb_free_urb(urb);
netdev_warn(netdev, "couldn't find free context");