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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
parent bbfb428a0c
commit e4b8178045
1 changed files with 1 additions and 1 deletions
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2
net/batman-adv/soft-interface.c
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@ -154,7 +154,7 @@ static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
static int batadv_interface_change_mtu(struct net_device *dev, int new_mtu)
{
/* check ranges */
if (new_mtu < 68 || new_mtu > batadv_hardif_min_mtu(dev))
if (new_mtu < ETH_MIN_MTU || new_mtu > batadv_hardif_min_mtu(dev))
return -EINVAL;
dev->mtu = new_mtu;