can: kvaser_usb: Fix potential uninitialized variable use
If alloc_can_err_skb() fails, cf is never initialized. Move assignment of cf inside check. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jimmy Assarsson <jimmyassarsson@gmail.com> Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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