From: Johan Hovold johan@kernel.org
commit 3759739426186a924675651b388d1c3963c5710e upstream.
The driver was accessing its driver data after having freed it.
Fixes: 0024d8ad1639 ("can: usb_8dev: Add support for USB2CAN interface from 8 devices") Cc: stable stable@vger.kernel.org # 3.9 Cc: Bernd Krumboeck b.krumboeck@gmail.com Cc: Wolfgang Grandegger wg@grandegger.com Signed-off-by: Johan Hovold johan@kernel.org Signed-off-by: Marc Kleine-Budde mkl@pengutronix.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/net/can/usb/usb_8dev.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/net/can/usb/usb_8dev.c +++ b/drivers/net/can/usb/usb_8dev.c @@ -1007,9 +1007,8 @@ static void usb_8dev_disconnect(struct u netdev_info(priv->netdev, "device disconnected\n");
unregister_netdev(priv->netdev); - free_candev(priv->netdev); - unlink_all_urbs(priv); + free_candev(priv->netdev); }
}