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 --- net/batman-adv/soft-interface.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index d3fdf822..f7947fad 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -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;