One line above we have checked that udc is NULL so we shouldn't
dereference it while printing error message.
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NKrzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>