[PATCH] dvb: ttpci: error handling fix

Change error handling in av7110_stop_feed() to stop as many filters as
possible in case of errors.

Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>