[ldv-project] [PATCH] can: usb_8dev: fix urb leak on failure path in usb_8dev_start()
Bernd Krumboeck
krumboeck at universalnet.at
Sun Jul 28 11:45:28 MSK 2013
Thanks!
Added to repository on github: https://github.com/krumboeck/usb2can
regards,
Bernd
Am 2013-07-17 23:20, schrieb Alexey Khoroshilov:
> 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 at ispras.ru>
> ---
> drivers/net/can/usb/usb_8dev.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c
> index cbd388e..8becd3d 100644
> --- a/drivers/net/can/usb/usb_8dev.c
> +++ b/drivers/net/can/usb/usb_8dev.c
> @@ -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;
> }
>
>
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