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can: usb_8dev: fix urb leak on failure path in usb_8dev_start() 

If usb_8dev_start() fails to submit urb,
it unanchors the urb but forgets to free it.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Alexey Khoroshilov 2013-07-18 01:20:33 +04:00 committed by Marc Kleine-Budde
parent 233a26e85f
commit 7671986839
1 changed files with 1 additions and 0 deletions
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1
drivers/net/can/usb/usb_8dev.c
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@ -779,6 +779,7 @@ static int usb_8dev_start(struct usb_8dev_priv *priv)
usb_unanchor_urb(urb);
usb_free_coherent(priv->udev, RX_BUFFER_SIZE, buf,
urb->transfer_dma);
usb_free_urb(urb);
break;
}