In the original code if auto detect failed and tea575x_tuner == 4
then we copy bogus information to chip->tea.card.  I've changed the
autodetect code to cleanup and return -ENODEV on error instead.
Signed-off-by: NDan Carpenter <error27@gmail.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>