V4L/DVB (7805): saa7134: dvb_unregister_frontend() shouldn't be called, if not registered yet

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2008-04-30 18:13:05 -03:00
commit f50090fc94