From e4b817804579624b47823d87e647ec6c3d3ab827 Mon Sep 17 00:00:00 2001
From: Sven Eckelmann <sven@narfation.org>
Date: Thu, 27 Jul 2023 10:13:42 +0200
Subject: [PATCH] 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>
---
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 d3fdf82282afe..f7947fad06f25 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;