batman-adv: simplify return handling in some TT functions

Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
This commit is contained in:
Simon Wunderlich 2017-06-01 17:11:26 +02:00
commit 75ae84a4fe