batman-adv: Avoid magic value for minimum MTU

The header linux/if_ether.h already defines a constant for the minimum MTU.
So simply use it instead of having a magic constant in the code.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
This commit is contained in:
Sven Eckelmann 2023-07-27 10:13:42 +02:00 • committed by Simon Wunderlich
commit e4b8178045